diff --git a/docs/guide/database-basics.md b/docs/guide/database-basics.md
index 71510f4..310e3f5 100644
--- a/docs/guide/database-basics.md
+++ b/docs/guide/database-basics.md
@@ -2,8 +2,14 @@ Database basics
 ===============
 
 Yii has a database access layer built on top of PHP's [PDO](http://www.php.net/manual/en/ref.pdo.php). It provides
-uniform API and solves some inconsistencies between different DBMS. By default Yii supports MySQL, SQLite, PostgreSQL,
-Oracle and MSSQL.
+uniform API and solves some inconsistencies between different DBMS. By default Yii supports the following DBMS:
+
+- [MySQL](http://www.mysql.com/)
+- [SQLite](http://sqlite.org/)
+- [PostgreSQL](http://www.postgresql.org/)
+- [CUBRID](http://www.cubrid.org/) (version 9.1.0 and higher).
+- Oracle
+- MSSQL
 
 
 Configuration
@@ -22,6 +28,7 @@ return array(
 			'dsn' => 'mysql:host=localhost;dbname=mydatabase', // MySQL, MariaDB
 			//'dsn' => 'sqlite:/path/to/database/file', // SQLite
 			//'dsn' => 'pgsql:host=localhost;port=5432;dbname=mydatabase', // PostgreSQL
+			//'dsn' => 'cubrid:dbname=demodb;host=localhost;port=33000', // CUBRID
 			//'dsn' => 'sqlsrv:Server=localhost;Database=mydatabase', // MS SQL Server, sqlsrv driver
 			//'dsn' => 'dblib:host=localhost;dbname=mydatabase', // MS SQL Server, dblib driver
 			//'dsn' => 'mssql:host=localhost;dbname=mydatabase', // MS SQL Server, mssql driver
@@ -34,8 +41,10 @@ return array(
 	// ...
 );
 ```
+Please refer to the [PHP manual](http://www.php.net/manual/en/function.PDO-construct.php) for more details
+on the format of the DSN string.
 
-After the component is configured you can access it using the following syntax:
+After the connection component is configured you can access it using the following syntax:
 
 ```php
 $connection = \Yii::$app->db;
diff --git a/framework/yii/db/Command.php b/framework/yii/db/Command.php
index 460cd46..7f2d81d 100644
--- a/framework/yii/db/Command.php
+++ b/framework/yii/db/Command.php
@@ -181,7 +181,7 @@ class Command extends \yii\base\Component
 	{
 		$this->prepare();
 		if ($dataType === null) {
-			$this->pdoStatement->bindParam($name, $value, $this->getPdoType($value));
+			$this->pdoStatement->bindParam($name, $value, $this->db->schema->getPdoType($value));
 		} elseif ($length === null) {
 			$this->pdoStatement->bindParam($name, $value, $dataType);
 		} elseif ($driverOptions === null) {
@@ -208,7 +208,7 @@ class Command extends \yii\base\Component
 	{
 		$this->prepare();
 		if ($dataType === null) {
-			$this->pdoStatement->bindValue($name, $value, $this->getPdoType($value));
+			$this->pdoStatement->bindValue($name, $value, $this->db->schema->getPdoType($value));
 		} else {
 			$this->pdoStatement->bindValue($name, $value, $dataType);
 		}
@@ -236,7 +236,7 @@ class Command extends \yii\base\Component
 					$type = $value[1];
 					$value = $value[0];
 				} else {
-					$type = $this->getPdoType($value);
+					$type = $this->db->schema->getPdoType($value);
 				}
 				$this->pdoStatement->bindValue($name, $value, $type);
 				$this->_params[$name] = $value;
@@ -246,25 +246,6 @@ class Command extends \yii\base\Component
 	}
 
 	/**
-	 * Determines the PDO type for the give PHP data value.
-	 * @param mixed $data the data whose PDO type is to be determined
-	 * @return integer the PDO type
-	 * @see http://www.php.net/manual/en/pdo.constants.php
-	 */
-	private function getPdoType($data)
-	{
-		static $typeMap = array(
-			'boolean' => \PDO::PARAM_BOOL,
-			'integer' => \PDO::PARAM_INT,
-			'string' => \PDO::PARAM_STR,
-			'resource' => \PDO::PARAM_LOB,
-			'NULL' => \PDO::PARAM_NULL,
-		);
-		$type = gettype($data);
-		return isset($typeMap[$type]) ? $typeMap[$type] : \PDO::PARAM_STR;
-	}
-
-	/**
 	 * Executes the SQL statement.
 	 * This method should only be used for executing non-query SQL statement, such as `INSERT`, `DELETE`, `UPDATE` SQLs.
 	 * No result set will be returned.
@@ -472,7 +453,7 @@ class Command extends \yii\base\Component
 	 * ))->execute();
 	 * ~~~
 	 *
-	 * Not that the values in each row must match the corresponding column names.
+	 * Note that the values in each row must match the corresponding column names.
 	 *
 	 * @param string $table the table that new rows will be inserted into.
 	 * @param array $columns the column names
diff --git a/framework/yii/db/Connection.php b/framework/yii/db/Connection.php
index 342fa15..69bf6a5 100644
--- a/framework/yii/db/Connection.php
+++ b/framework/yii/db/Connection.php
@@ -201,7 +201,7 @@ class Connection extends Component
 	public $queryCache = 'cache';
 	/**
 	 * @var string the charset used for database connection. The property is only used
-	 * for MySQL and PostgreSQL databases. Defaults to null, meaning using default charset
+	 * for MySQL, PostgreSQL and CUBRID databases. Defaults to null, meaning using default charset
 	 * as specified by the database.
 	 *
 	 * Note that if you're using GBK or BIG5 then it's highly recommended to
@@ -244,6 +244,7 @@ class Connection extends Component
 		'oci' => 'yii\db\oci\Schema',        // Oracle driver
 		'mssql' => 'yii\db\mssql\Schema',    // older MSSQL driver on MS Windows hosts
 		'dblib' => 'yii\db\mssql\Schema',    // dblib drivers on GNU/Linux (and maybe other OSes) hosts
+		'cubrid' => 'yii\db\cubrid\Schema',  // CUBRID
 	);
 	/**
 	 * @var Transaction the currently active transaction
@@ -361,7 +362,7 @@ class Connection extends Component
 		if ($this->emulatePrepare !== null && constant('PDO::ATTR_EMULATE_PREPARES')) {
 			$this->pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, $this->emulatePrepare);
 		}
-		if ($this->charset !== null && in_array($this->getDriverName(), array('pgsql', 'mysql', 'mysqli'))) {
+		if ($this->charset !== null && in_array($this->getDriverName(), array('pgsql', 'mysql', 'mysqli', 'cubrid'))) {
 			$this->pdo->exec('SET NAMES ' . $this->pdo->quote($this->charset));
 		}
 		$this->trigger(self::EVENT_AFTER_OPEN);
diff --git a/framework/yii/db/QueryBuilder.php b/framework/yii/db/QueryBuilder.php
index f67038c..00d21c0 100644
--- a/framework/yii/db/QueryBuilder.php
+++ b/framework/yii/db/QueryBuilder.php
@@ -134,7 +134,7 @@ class QueryBuilder extends \yii\base\Object
 	 * ))->execute();
 	 * ~~~
 	 *
-	 * Not that the values in each row must match the corresponding column names.
+	 * Note that the values in each row must match the corresponding column names.
 	 *
 	 * @param string $table the table that new rows will be inserted into.
 	 * @param array $columns the column names
diff --git a/framework/yii/db/Schema.php b/framework/yii/db/Schema.php
index 7b19066..fad91fa 100644
--- a/framework/yii/db/Schema.php
+++ b/framework/yii/db/Schema.php
@@ -376,4 +376,23 @@ abstract class Schema extends Object
 			return 'string';
 		}
 	}
+
+	/**
+	 * Determines the PDO type for the give PHP data value.
+	 * @param mixed $data the data whose PDO type is to be determined
+	 * @return integer the PDO type
+	 * @see http://www.php.net/manual/en/pdo.constants.php
+	 */
+	public function getPdoType($data)
+	{
+		static $typeMap = array( // php type => PDO type
+			'boolean' => \PDO::PARAM_BOOL,
+			'integer' => \PDO::PARAM_INT,
+			'string' => \PDO::PARAM_STR,
+			'resource' => \PDO::PARAM_LOB,
+			'NULL' => \PDO::PARAM_NULL,
+		);
+		$type = gettype($data);
+		return isset($typeMap[$type]) ? $typeMap[$type] : \PDO::PARAM_STR;
+	}
 }
diff --git a/framework/yii/db/cubrid/QueryBuilder.php b/framework/yii/db/cubrid/QueryBuilder.php
new file mode 100644
index 0000000..935b3d3
--- /dev/null
+++ b/framework/yii/db/cubrid/QueryBuilder.php
@@ -0,0 +1,116 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\db\cubrid;
+
+use yii\base\InvalidParamException;
+
+/**
+ * QueryBuilder is the query builder for CUBRID databases (version 9.1.x and higher).
+ *
+ * @author Carsten Brandt <mail@cebe.cc>
+ * @since 2.0
+ */
+class QueryBuilder extends \yii\db\QueryBuilder
+{
+	/**
+	 * @var array mapping from abstract column types (keys) to physical column types (values).
+	 */
+	public $typeMap = array(
+		Schema::TYPE_PK => 'int NOT NULL AUTO_INCREMENT PRIMARY KEY',
+		Schema::TYPE_STRING => 'varchar(255)',
+		Schema::TYPE_TEXT => 'varchar',
+		Schema::TYPE_SMALLINT => 'smallint',
+		Schema::TYPE_INTEGER => 'int',
+		Schema::TYPE_BIGINT => 'bigint',
+		Schema::TYPE_FLOAT => 'float(7)',
+		Schema::TYPE_DECIMAL => 'decimal(10,0)',
+		Schema::TYPE_DATETIME => 'datetime',
+		Schema::TYPE_TIMESTAMP => 'timestamp',
+		Schema::TYPE_TIME => 'time',
+		Schema::TYPE_DATE => 'date',
+		Schema::TYPE_BINARY => 'blob',
+		Schema::TYPE_BOOLEAN => 'smallint',
+		Schema::TYPE_MONEY => 'decimal(19,4)',
+	);
+
+	/**
+	 * Creates a SQL statement for resetting the sequence value of a table's primary key.
+	 * The sequence will be reset such that the primary key of the next new row inserted
+	 * will have the specified value or 1.
+	 * @param string $tableName the name of the table whose primary key sequence will be reset
+	 * @param mixed $value the value for the primary key of the next new row inserted. If this is not set,
+	 * the next new row's primary key will have a value 1.
+	 * @return string the SQL statement for resetting sequence
+	 * @throws InvalidParamException if the table does not exist or there is no sequence associated with the table.
+	 */
+	public function resetSequence($tableName, $value = null)
+	{
+		$table = $this->db->getTableSchema($tableName);
+		if ($table !== null && $table->sequenceName !== null) {
+			$tableName = $this->db->quoteTableName($tableName);
+			if ($value === null) {
+				$key = reset($table->primaryKey);
+				$value = (int)$this->db->createCommand("SELECT MAX(`$key`) FROM " . $this->db->schema->quoteTableName($tableName))->queryScalar() + 1;
+			} else {
+				$value = (int)$value;
+			}
+			return "ALTER TABLE " . $this->db->schema->quoteTableName($tableName) . " AUTO_INCREMENT=$value;";
+		} elseif ($table === null) {
+			throw new InvalidParamException("Table not found: $tableName");
+		} else {
+			throw new InvalidParamException("There is not sequence associated with table '$tableName'.");
+		}
+	}
+
+	/**
+	 * Generates a batch INSERT SQL statement.
+	 * For example,
+	 *
+	 * ~~~
+	 * $connection->createCommand()->batchInsert('tbl_user', array('name', 'age'), array(
+	 *     array('Tom', 30),
+	 *     array('Jane', 20),
+	 *     array('Linda', 25),
+	 * ))->execute();
+	 * ~~~
+	 *
+	 * Note that the values in each row must match the corresponding column names.
+	 *
+	 * @param string $table the table that new rows will be inserted into.
+	 * @param array $columns the column names
+	 * @param array $rows the rows to be batch inserted into the table
+	 * @return string the batch INSERT SQL statement
+	 */
+	public function batchInsert($table, $columns, $rows)
+	{
+		if (($tableSchema = $this->db->getTableSchema($table)) !== null) {
+			$columnSchemas = $tableSchema->columns;
+		} else {
+			$columnSchemas = array();
+		}
+
+		foreach ($columns as $i => $name) {
+			$columns[$i] = $this->db->quoteColumnName($name);
+		}
+
+		$values = array();
+		foreach ($rows as $row) {
+			$vs = array();
+			foreach ($row as $i => $value) {
+				if (!is_array($value) && isset($columnSchemas[$columns[$i]])) {
+					$value = $columnSchemas[$columns[$i]]->typecast($value);
+				}
+				$vs[] = is_string($value) ? $this->db->quoteValue($value) : $value;
+			}
+			$values[] = '(' . implode(', ', $vs) . ')';
+		}
+
+		return 'INSERT INTO ' . $this->db->quoteTableName($table)
+			. ' (' . implode(', ', $columns) . ') VALUES ' . implode(', ', $values);
+	}
+}
diff --git a/framework/yii/db/cubrid/Schema.php b/framework/yii/db/cubrid/Schema.php
new file mode 100644
index 0000000..fae932f
--- /dev/null
+++ b/framework/yii/db/cubrid/Schema.php
@@ -0,0 +1,259 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\db\cubrid;
+
+use yii\base\NotSupportedException;
+use yii\db\Expression;
+use yii\db\TableSchema;
+use yii\db\ColumnSchema;
+
+/**
+ * Schema is the class for retrieving metadata from a CUBRID database (version 9.1.x and higher).
+ *
+ * @author Carsten Brandt <mail@cebe.cc>
+ * @since 2.0
+ */
+class Schema extends \yii\db\Schema
+{
+	/**
+	 * @var array mapping from physical column types (keys) to abstract column types (values)
+	 * Please refer to [CUBRID manual](http://www.cubrid.org/manual/91/en/sql/datatype.html) for
+	 * details on data types.
+	 */
+	public $typeMap = array(
+		// Numeric data types
+		'short' => self::TYPE_SMALLINT,
+		'smallint' => self::TYPE_SMALLINT,
+		'int' => self::TYPE_INTEGER,
+		'integer' => self::TYPE_INTEGER,
+		'bigint' => self::TYPE_BIGINT,
+		'numeric' => self::TYPE_DECIMAL,
+		'decimal' => self::TYPE_DECIMAL,
+		'float' => self::TYPE_FLOAT,
+		'real' => self::TYPE_FLOAT,
+		'double' => self::TYPE_FLOAT,
+		'double precision' => self::TYPE_FLOAT,
+		'monetary' => self::TYPE_MONEY,
+		// Date/Time data types
+		'date' => self::TYPE_DATE,
+		'time' => self::TYPE_TIME,
+		'timestamp' => self::TYPE_TIMESTAMP,
+		'datetime' => self::TYPE_DATETIME,
+		// String data types
+		'char' => self::TYPE_STRING,
+		'varchar' => self::TYPE_STRING,
+		'char varying' => self::TYPE_STRING,
+		'nchar' => self::TYPE_STRING,
+		'nchar varying' => self::TYPE_STRING,
+		'string' => self::TYPE_STRING,
+		// BLOB/CLOB data types
+		'blob' => self::TYPE_BINARY,
+		'clob' => self::TYPE_BINARY,
+		// Bit string data types
+		'bit' => self::TYPE_STRING,
+		'bit varying' => self::TYPE_STRING,
+		// Collection data types (considered strings for now, may add support for them later)
+		'set' => self::TYPE_STRING,
+		'multiset' => self::TYPE_STRING,
+		'list' => self::TYPE_STRING,
+		'sequence' => self::TYPE_STRING,
+		'enum' => self::TYPE_STRING,
+	);
+
+	/**
+	 * Quotes a table name for use in a query.
+	 * A simple table name has no schema prefix.
+	 * @param string $name table name
+	 * @return string the properly quoted table name
+	 */
+	public function quoteSimpleTableName($name)
+	{
+		return strpos($name, "`") !== false ? $name : "`" . $name . "`";
+	}
+
+	/**
+	 * Quotes a column name for use in a query.
+	 * A simple column name has no prefix.
+	 * @param string $name column name
+	 * @return string the properly quoted column name
+	 */
+	public function quoteSimpleColumnName($name)
+	{
+		return strpos($name, '`') !== false || $name === '*' ? $name : '`' . $name . '`';
+	}
+
+	/**
+	 * Quotes a string value for use in a query.
+	 * Note that if the parameter is not a string, it will be returned without change.
+	 * @param string $str string to be quoted
+	 * @return string the properly quoted string
+	 * @see http://www.php.net/manual/en/function.PDO-quote.php
+	 */
+	public function quoteValue($str)
+	{
+		if (!is_string($str)) {
+			return $str;
+		}
+
+		$this->db->open();
+		// workaround for broken PDO::quote() implementation in CUBRID 9.1.0 http://jira.cubrid.org/browse/APIS-658
+		if (version_compare($this->db->pdo->getAttribute(\PDO::ATTR_CLIENT_VERSION), '9.1.0', '<=')) {
+			return "'" . addcslashes(str_replace("'", "''", $str), "\000\n\r\\\032") . "'";
+		} else {
+			return $this->db->pdo->quote($str);
+		}
+	}
+
+	/**
+	 * Creates a query builder for the CUBRID database.
+	 * @return QueryBuilder query builder instance
+	 */
+	public function createQueryBuilder()
+	{
+		return new QueryBuilder($this->db);
+	}
+
+	/**
+	 * Loads the metadata for the specified table.
+	 * @param string $name table name
+	 * @return TableSchema driver dependent table metadata. Null if the table does not exist.
+	 */
+	protected function loadTableSchema($name)
+	{
+		$this->db->open();
+		$tableInfo = $this->db->pdo->cubrid_schema(\PDO::CUBRID_SCH_TABLE, $name);
+
+		if (isset($tableInfo[0]['NAME'])) {
+			$table = new TableSchema();
+			$table->name = $tableInfo[0]['NAME'];
+
+			$sql = 'SHOW FULL COLUMNS FROM ' . $this->quoteSimpleTableName($table->name);
+			$columns = $this->db->createCommand($sql)->queryAll();
+
+			foreach ($columns as $info) {
+				$column = $this->loadColumnSchema($info);
+				$table->columns[$column->name] = $column;
+				if ($column->isPrimaryKey) {
+					$table->primaryKey[] = $column->name;
+					if ($column->autoIncrement) {
+						$table->sequenceName = '';
+					}
+				}
+			}
+
+			$foreignKeys = $this->db->pdo->cubrid_schema(\PDO::CUBRID_SCH_IMPORTED_KEYS, $table->name);
+			foreach($foreignKeys as $key) {
+				if (isset($table->foreignKeys[$key['FK_NAME']])) {
+					$table->foreignKeys[$key['FK_NAME']][$key['FKCOLUMN_NAME']] = $key['PKCOLUMN_NAME'];
+				} else {
+					$table->foreignKeys[$key['FK_NAME']] = array(
+						$key['PKTABLE_NAME'],
+						$key['FKCOLUMN_NAME'] => $key['PKCOLUMN_NAME']
+					);
+				}
+			}
+			$table->foreignKeys = array_values($table->foreignKeys);
+
+			return $table;
+		} else {
+			return null;
+		}
+	}
+
+	/**
+	 * Loads the column information into a [[ColumnSchema]] object.
+	 * @param array $info column information
+	 * @return ColumnSchema the column schema object
+	 */
+	protected function loadColumnSchema($info)
+	{
+		$column = new ColumnSchema();
+
+		$column->name = $info['Field'];
+		$column->allowNull = $info['Null'] === 'YES';
+		$column->isPrimaryKey = strpos($info['Key'], 'PRI') !== false;
+		$column->autoIncrement = stripos($info['Extra'], 'auto_increment') !== false;
+
+		$column->dbType = strtolower($info['Type']);
+		$column->unsigned = strpos($column->dbType, 'unsigned') !== false;
+
+		$column->type = self::TYPE_STRING;
+		if (preg_match('/^([\w ]+)(?:\(([^\)]+)\))?/', $column->dbType, $matches)) {
+			$type = $matches[1];
+			if (isset($this->typeMap[$type])) {
+				$column->type = $this->typeMap[$type];
+			}
+			if (!empty($matches[2])) {
+				if ($type === 'enum') {
+					$values = explode(',', $matches[2]);
+					foreach ($values as $i => $value) {
+						$values[$i] = trim($value, "'");
+					}
+					$column->enumValues = $values;
+				} else {
+					$values = explode(',', $matches[2]);
+					$column->size = $column->precision = (int)$values[0];
+					if (isset($values[1])) {
+						$column->scale = (int)$values[1];
+					}
+				}
+			}
+		}
+
+		$column->phpType = $this->getColumnPhpType($column);
+
+		if ($column->type === 'timestamp' && $info['Default'] === 'CURRENT_TIMESTAMP' ||
+			$column->type === 'datetime' && $info['Default'] === 'SYS_DATETIME' ||
+			$column->type === 'date' && $info['Default'] === 'SYS_DATE' ||
+			$column->type === 'time' && $info['Default'] === 'SYS_TIME') {
+			$column->defaultValue = new Expression($info['Default']);
+		} else {
+			$column->defaultValue = $column->typecast($info['Default']);
+		}
+
+		return $column;
+	}
+
+	/**
+	 * Returns all table names in the database.
+	 * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema.
+	 * @return array all table names in the database. The names have NO schema name prefix.
+	 */
+	protected function findTableNames($schema = '')
+	{
+		$this->db->open();
+		$tables = $this->db->pdo->cubrid_schema(\PDO::CUBRID_SCH_TABLE);
+		$tableNames = array();
+		foreach($tables as $table) {
+			// do not list system tables
+			if ($table['TYPE'] != 0) {
+				$tableNames[] = $table['NAME'];
+			}
+		}
+		return $tableNames;
+	}
+
+	/**
+	 * Determines the PDO type for the give PHP data value.
+	 * @param mixed $data the data whose PDO type is to be determined
+	 * @return integer the PDO type
+	 * @see http://www.php.net/manual/en/pdo.constants.php
+	 */
+	public function getPdoType($data)
+	{
+		static $typeMap = array(
+			'boolean' => \PDO::PARAM_INT, // CUBRID PDO does not support PARAM_BOOL
+			'integer' => \PDO::PARAM_INT,
+			'string' => \PDO::PARAM_STR,
+			'resource' => \PDO::PARAM_LOB,
+			'NULL' => \PDO::PARAM_NULL,
+		);
+		$type = gettype($data);
+		return isset($typeMap[$type]) ? $typeMap[$type] : \PDO::PARAM_STR;
+	}
+}
diff --git a/framework/yii/db/mysql/QueryBuilder.php b/framework/yii/db/mysql/QueryBuilder.php
index 0307abd..c7a4256 100644
--- a/framework/yii/db/mysql/QueryBuilder.php
+++ b/framework/yii/db/mysql/QueryBuilder.php
@@ -152,7 +152,7 @@ class QueryBuilder extends \yii\db\QueryBuilder
 	 * ))->execute();
 	 * ~~~
 	 *
-	 * Not that the values in each row must match the corresponding column names.
+	 * Note that the values in each row must match the corresponding column names.
 	 *
 	 * @param string $table the table that new rows will be inserted into.
 	 * @param array $columns the column names
diff --git a/tests/unit/data/config.php b/tests/unit/data/config.php
index 8ead605..fda2be1 100644
--- a/tests/unit/data/config.php
+++ b/tests/unit/data/config.php
@@ -1,6 +1,12 @@
 <?php
 return array(
 	'databases' => array(
+		'cubrid' => array(
+			'dsn' => 'cubrid:dbname=demodb;host=localhost;port=33000',
+			'username' => 'dba',
+			'password' => '',
+			'fixture' => __DIR__ . '/cubrid.sql',
+		),
 		'mysql' => array(
 			'dsn' => 'mysql:host=127.0.0.1;dbname=yiitest',
 			'username' => 'travis',
diff --git a/tests/unit/data/cubrid.sql b/tests/unit/data/cubrid.sql
new file mode 100644
index 0000000..bfaf85c
--- /dev/null
+++ b/tests/unit/data/cubrid.sql
@@ -0,0 +1,110 @@
+/**
+ * This is the database schema for testing CUBRID support of Yii DAO and Active Record.
+ * The database setup in config.php is required to perform then relevant tests:
+ */
+
+DROP TABLE IF EXISTS tbl_composite_fk;
+DROP TABLE IF EXISTS tbl_order_item;
+DROP TABLE IF EXISTS tbl_item;
+DROP TABLE IF EXISTS tbl_order;
+DROP TABLE IF EXISTS tbl_category;
+DROP TABLE IF EXISTS tbl_customer;
+DROP TABLE IF EXISTS tbl_type;
+DROP TABLE IF EXISTS tbl_constraints;
+
+CREATE TABLE `tbl_constraints`
+(
+  `id` integer not null,
+  `field1` varchar(255)
+);
+
+
+CREATE TABLE `tbl_customer` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `email` varchar(128) NOT NULL,
+  `name` varchar(128) NOT NULL,
+  `address` string,
+  `status` int (11) DEFAULT 0,
+  PRIMARY KEY (`id`)
+);
+
+CREATE TABLE `tbl_category` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `name` varchar(128) NOT NULL,
+  PRIMARY KEY (`id`)
+);
+
+CREATE TABLE `tbl_item` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `name` varchar(128) NOT NULL,
+  `category_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  CONSTRAINT `FK_item_category_id` FOREIGN KEY (`category_id`) REFERENCES `tbl_category` (`id`) ON DELETE CASCADE
+);
+
+CREATE TABLE `tbl_order` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `customer_id` int(11) NOT NULL,
+  `create_time` int(11) NOT NULL,
+  `total` decimal(10,0) NOT NULL,
+  PRIMARY KEY (`id`),
+  CONSTRAINT `FK_order_customer_id` FOREIGN KEY (`customer_id`) REFERENCES `tbl_customer` (`id`) ON DELETE CASCADE
+);
+
+CREATE TABLE `tbl_order_item` (
+  `order_id` int(11) NOT NULL,
+  `item_id` int(11) NOT NULL,
+  `quantity` int(11) NOT NULL,
+  `subtotal` decimal(10,0) NOT NULL,
+  PRIMARY KEY (`order_id`,`item_id`),
+  CONSTRAINT `FK_order_item_order_id` FOREIGN KEY (`order_id`) REFERENCES `tbl_order` (`id`) ON DELETE CASCADE,
+  CONSTRAINT `FK_order_item_item_id` FOREIGN KEY (`item_id`) REFERENCES `tbl_item` (`id`) ON DELETE CASCADE
+);
+
+CREATE TABLE `tbl_type` (
+  `int_col` int(11) NOT NULL,
+  `int_col2` int(11) DEFAULT '1',
+  `char_col` char(100) NOT NULL,
+  `char_col2` varchar(100) DEFAULT 'something',
+  `char_col3` string,
+  `enum_col` enum('a', 'b'),
+  `float_col` double NOT NULL,
+  `float_col2` double DEFAULT '1.23',
+  `blob_col` blob,
+  `numeric_col` decimal(5,2) DEFAULT '33.22',
+  `time` timestamp NOT NULL DEFAULT '2002-01-01 00:00:00',
+  `bool_col` smallint NOT NULL,
+  `bool_col2` smallint DEFAULT 1
+);
+
+CREATE TABLE `tbl_composite_fk` (
+  `id` int(11) NOT NULL,
+  `order_id` int(11) NOT NULL,
+  `item_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  CONSTRAINT `FK_composite_fk_order_item` FOREIGN KEY (`order_id`,`item_id`) REFERENCES `tbl_order_item` (`order_id`,`item_id`) ON DELETE CASCADE
+);
+
+INSERT INTO tbl_customer (email, name, address, status) VALUES ('user1@example.com', 'user1', 'address1', 1);
+INSERT INTO tbl_customer (email, name, address, status) VALUES ('user2@example.com', 'user2', 'address2', 1);
+INSERT INTO tbl_customer (email, name, address, status) VALUES ('user3@example.com', 'user3', 'address3', 2);
+
+INSERT INTO tbl_category (name) VALUES ('Books');
+INSERT INTO tbl_category (name) VALUES ('Movies');
+
+INSERT INTO tbl_item (name, category_id) VALUES ('Agile Web Application Development with Yii1.1 and PHP5', 1);
+INSERT INTO tbl_item (name, category_id) VALUES ('Yii 1.1 Application Development Cookbook', 1);
+INSERT INTO tbl_item (name, category_id) VALUES ('Ice Age', 2);
+INSERT INTO tbl_item (name, category_id) VALUES ('Toy Story', 2);
+INSERT INTO tbl_item (name, category_id) VALUES ('Cars', 2);
+
+INSERT INTO tbl_order (customer_id, create_time, total) VALUES (1, 1325282384, 110.0);
+INSERT INTO tbl_order (customer_id, create_time, total) VALUES (2, 1325334482, 33.0);
+INSERT INTO tbl_order (customer_id, create_time, total) VALUES (2, 1325502201, 40.0);
+
+INSERT INTO tbl_order_item (order_id, item_id, quantity, subtotal) VALUES (1, 1, 1, 30.0);
+INSERT INTO tbl_order_item (order_id, item_id, quantity, subtotal) VALUES (1, 2, 2, 40.0);
+INSERT INTO tbl_order_item (order_id, item_id, quantity, subtotal) VALUES (2, 4, 1, 10.0);
+INSERT INTO tbl_order_item (order_id, item_id, quantity, subtotal) VALUES (2, 5, 1, 15.0);
+INSERT INTO tbl_order_item (order_id, item_id, quantity, subtotal) VALUES (2, 3, 1, 8.0);
+INSERT INTO tbl_order_item (order_id, item_id, quantity, subtotal) VALUES (3, 2, 1, 40.0);
diff --git a/tests/unit/data/mysql.sql b/tests/unit/data/mysql.sql
index 2e9458e..133348d 100644
--- a/tests/unit/data/mysql.sql
+++ b/tests/unit/data/mysql.sql
@@ -3,6 +3,7 @@
  * The database setup in config.php is required to perform then relevant tests:
  */
 
+DROP TABLE IF EXISTS tbl_composite_fk CASCADE;
 DROP TABLE IF EXISTS tbl_order_item CASCADE;
 DROP TABLE IF EXISTS tbl_item CASCADE;
 DROP TABLE IF EXISTS tbl_order CASCADE;
@@ -62,6 +63,14 @@ CREATE TABLE `tbl_order_item` (
   CONSTRAINT `FK_order_item_item_id` FOREIGN KEY (`item_id`) REFERENCES `tbl_item` (`id`) ON DELETE CASCADE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
+CREATE TABLE `tbl_composite_fk` (
+  `id` int(11) NOT NULL,
+  `order_id` int(11) NOT NULL,
+  `item_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  CONSTRAINT `FK_composite_fk_order_item` FOREIGN KEY (`order_id`,`item_id`) REFERENCES `tbl_order_item` (`order_id`,`item_id`) ON DELETE CASCADE
+);
+
 CREATE TABLE `tbl_type` (
   `int_col` int(11) NOT NULL,
   `int_col2` int(11) DEFAULT '1',
diff --git a/tests/unit/data/sqlite.sql b/tests/unit/data/sqlite.sql
index f75bfa6..f031ac3 100644
--- a/tests/unit/data/sqlite.sql
+++ b/tests/unit/data/sqlite.sql
@@ -3,6 +3,7 @@
  * The database setup in config.php is required to perform then relevant tests:
  */
 
+DROP TABLE IF EXISTS tbl_composite_fk;
 DROP TABLE IF EXISTS tbl_order_item;
 DROP TABLE IF EXISTS tbl_item;
 DROP TABLE IF EXISTS tbl_order;
@@ -48,6 +49,14 @@ CREATE TABLE tbl_order_item (
   PRIMARY KEY (order_id, item_id)
 );
 
+CREATE TABLE `tbl_composite_fk` (
+  `id` int(11) NOT NULL,
+  `order_id` int(11) NOT NULL,
+  `item_id` int(11) NOT NULL,
+  PRIMARY KEY (`id`),
+  CONSTRAINT `FK_composite_fk_order_item` FOREIGN KEY (`order_id`,`item_id`) REFERENCES `tbl_order_item` (`order_id`,`item_id`) ON DELETE CASCADE
+);
+
 CREATE TABLE tbl_type (
   int_col INTEGER NOT NULL,
   int_col2 INTEGER DEFAULT '1',
diff --git a/tests/unit/framework/db/CommandTest.php b/tests/unit/framework/db/CommandTest.php
index 52fd046..229545d 100644
--- a/tests/unit/framework/db/CommandTest.php
+++ b/tests/unit/framework/db/CommandTest.php
@@ -9,12 +9,6 @@ use yii\db\DataReader;
 
 class CommandTest extends DatabaseTestCase
 {
-	protected function setUp()
-	{
-		parent::setUp();
-		$this->mockApplication();
-	}
-
 	public function testConstruct()
 	{
 		$db = $this->getConnection(false);
diff --git a/tests/unit/framework/db/ConnectionTest.php b/tests/unit/framework/db/ConnectionTest.php
index 42b470b..f2895f1 100644
--- a/tests/unit/framework/db/ConnectionTest.php
+++ b/tests/unit/framework/db/ConnectionTest.php
@@ -6,12 +6,6 @@ use yii\db\Connection;
 
 class ConnectionTest extends DatabaseTestCase
 {
-	protected function setUp()
-	{
-		parent::setUp();
-		$this->mockApplication();
-	}
-
 	public function testConstruct()
 	{
 		$connection = $this->getConnection(false);
diff --git a/tests/unit/framework/db/DatabaseTestCase.php b/tests/unit/framework/db/DatabaseTestCase.php
index 1fd2d56..d8d2916 100644
--- a/tests/unit/framework/db/DatabaseTestCase.php
+++ b/tests/unit/framework/db/DatabaseTestCase.php
@@ -1,18 +1,21 @@
 <?php
 namespace yiiunit\framework\db;
 
+use yii\db\Connection;
 use yiiunit\TestCase as TestCase;
 
 abstract class DatabaseTestCase extends TestCase
 {
 	protected $database;
 	protected $driverName = 'mysql';
+	/**
+	 * @var Connection
+	 */
 	protected $db;
 
 	protected function setUp()
 	{
 		parent::setUp();
-		$this->mockApplication();
 		$databases = $this->getParam('databases');
 		$this->database = $databases[$this->driverName];
 		$pdo_database = 'pdo_'.$this->driverName;
@@ -20,6 +23,15 @@ abstract class DatabaseTestCase extends TestCase
 		if (!extension_loaded('pdo') || !extension_loaded($pdo_database)) {
 			$this->markTestSkipped('pdo and pdo_'.$pdo_database.' extension are required.');
 		}
+		$this->mockApplication();
+	}
+
+	protected function tearDown()
+	{
+		if ($this->db) {
+			$this->db->close();
+		}
+		$this->destroyApplication();
 	}
 
 	/**
diff --git a/tests/unit/framework/db/QueryBuilderTest.php b/tests/unit/framework/db/QueryBuilderTest.php
index e08ac87..a2815e8 100644
--- a/tests/unit/framework/db/QueryBuilderTest.php
+++ b/tests/unit/framework/db/QueryBuilderTest.php
@@ -8,15 +8,10 @@ use yii\db\mysql\QueryBuilder as MysqlQueryBuilder;
 use yii\db\sqlite\QueryBuilder as SqliteQueryBuilder;
 use yii\db\mssql\QueryBuilder as MssqlQueryBuilder;
 use yii\db\pgsql\QueryBuilder as PgsqlQueryBuilder;
+use yii\db\cubrid\QueryBuilder as CubridQueryBuilder;
 
 class QueryBuilderTest extends DatabaseTestCase
 {
-	protected function setUp()
-	{
-		parent::setUp();
-		$this->mockApplication();
-	}
-
 	/**
 	 * @throws \Exception
 	 * @return QueryBuilder
@@ -32,6 +27,8 @@ class QueryBuilderTest extends DatabaseTestCase
 				return new MssqlQueryBuilder($this->getConnection());
 			case 'pgsql':
 				return new PgsqlQueryBuilder($this->getConnection());
+			case 'cubrid':
+				return new CubridQueryBuilder($this->getConnection());
 		}
 		throw new \Exception('Test is not implemented for ' . $this->driverName);
 	}
diff --git a/tests/unit/framework/db/QueryTest.php b/tests/unit/framework/db/QueryTest.php
index 5d1f1a9..dfb6c9f 100644
--- a/tests/unit/framework/db/QueryTest.php
+++ b/tests/unit/framework/db/QueryTest.php
@@ -9,12 +9,6 @@ use yii\db\DataReader;
 
 class QueryTest extends DatabaseTestCase
 {
-	protected function setUp()
-	{
-		parent::setUp();
-		$this->mockApplication();
-	}
-
 	public function testSelect()
 	{
 		// default
diff --git a/tests/unit/framework/db/SchemaTest.php b/tests/unit/framework/db/SchemaTest.php
new file mode 100644
index 0000000..5f504e1
--- /dev/null
+++ b/tests/unit/framework/db/SchemaTest.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace yiiunit\framework\db;
+
+use yii\caching\FileCache;
+use yii\db\Schema;
+
+class SchemaTest extends DatabaseTestCase
+{
+
+	public function testGetPDOType()
+	{
+		$values = array(
+			array(null, \PDO::PARAM_NULL),
+			array('', \PDO::PARAM_STR),
+			array('hello', \PDO::PARAM_STR),
+			array(0, \PDO::PARAM_INT),
+			array(1, \PDO::PARAM_INT),
+			array(1337, \PDO::PARAM_INT),
+			array(true, \PDO::PARAM_BOOL),
+			array(false, \PDO::PARAM_BOOL),
+			array($fp=fopen(__FILE__, 'rb'), \PDO::PARAM_LOB),
+		);
+
+		$schema = $this->getConnection()->schema;
+
+		foreach($values as $value) {
+			$this->assertEquals($value[1], $schema->getPdoType($value[0]));
+		}
+		fclose($fp);
+	}
+
+	public function testFindTableNames()
+	{
+		/** @var Schema $schema */
+		$schema = $this->getConnection()->schema;
+
+		$tables = $schema->getTableNames();
+		$this->assertTrue(in_array('tbl_customer', $tables));
+		$this->assertTrue(in_array('tbl_category', $tables));
+		$this->assertTrue(in_array('tbl_item', $tables));
+		$this->assertTrue(in_array('tbl_order', $tables));
+		$this->assertTrue(in_array('tbl_order_item', $tables));
+		$this->assertTrue(in_array('tbl_type', $tables));
+	}
+
+	public function testGetTableSchemas()
+	{
+		/** @var Schema $schema */
+		$schema = $this->getConnection()->schema;
+
+		$tables = $schema->getTableSchemas();
+		$this->assertEquals(count($schema->getTableNames()), count($tables));
+		foreach($tables as $table) {
+			$this->assertInstanceOf('yii\db\TableSchema', $table);
+		}
+	}
+
+	public function testGetNonExistingTableSchema()
+	{
+		$this->assertNull($this->getConnection()->schema->getTableSchema('nonexisting_table'));
+	}
+
+	public function testSchemaCache()
+	{
+		/** @var Schema $schema */
+		$schema = $this->getConnection()->schema;
+
+		$schema->db->enableSchemaCache = true;
+		$schema->db->schemaCache = new FileCache();
+		$noCacheTable = $schema->getTableSchema('tbl_type', true);
+		$cachedTable = $schema->getTableSchema('tbl_type', true);
+		$this->assertEquals($noCacheTable, $cachedTable);
+	}
+
+	public function testCompositeFk()
+	{
+		/** @var Schema $schema */
+		$schema = $this->getConnection()->schema;
+
+		$table = $schema->getTableSchema('tbl_composite_fk');
+
+		$this->assertCount(1, $table->foreignKeys);
+		$this->assertTrue(isset($table->foreignKeys[0]));
+		$this->assertEquals('tbl_order_item', $table->foreignKeys[0][0]);
+		$this->assertEquals('order_id', $table->foreignKeys[0]['order_id']);
+		$this->assertEquals('item_id', $table->foreignKeys[0]['item_id']);
+	}
+}
diff --git a/tests/unit/framework/db/cubrid/CubridActiveRecordTest.php b/tests/unit/framework/db/cubrid/CubridActiveRecordTest.php
new file mode 100644
index 0000000..6633e11
--- /dev/null
+++ b/tests/unit/framework/db/cubrid/CubridActiveRecordTest.php
@@ -0,0 +1,9 @@
+<?php
+namespace yiiunit\framework\db\cubrid;
+
+use yiiunit\framework\db\ActiveRecordTest;
+
+class CubridActiveRecordTest extends ActiveRecordTest
+{
+	public $driverName = 'cubrid';
+}
diff --git a/tests/unit/framework/db/cubrid/CubridCommandTest.php b/tests/unit/framework/db/cubrid/CubridCommandTest.php
new file mode 100644
index 0000000..5fe8848
--- /dev/null
+++ b/tests/unit/framework/db/cubrid/CubridCommandTest.php
@@ -0,0 +1,72 @@
+<?php
+namespace yiiunit\framework\db\cubrid;
+
+use yiiunit\framework\db\CommandTest;
+
+class CubridCommandTest extends CommandTest
+{
+	public $driverName = 'cubrid';
+
+	public function testBindParamValue()
+	{
+		$db = $this->getConnection();
+
+		// bindParam
+		$sql = 'INSERT INTO tbl_customer(email, name, address) VALUES (:email, :name, :address)';
+		$command = $db->createCommand($sql);
+		$email = 'user4@example.com';
+		$name = 'user4';
+		$address = 'address4';
+		$command->bindParam(':email', $email);
+		$command->bindParam(':name', $name);
+		$command->bindParam(':address', $address);
+		$command->execute();
+
+		$sql = 'SELECT name FROM tbl_customer WHERE email=:email';
+		$command = $db->createCommand($sql);
+		$command->bindParam(':email', $email);
+		$this->assertEquals($name, $command->queryScalar());
+
+		$sql = "INSERT INTO tbl_type (int_col, char_col, char_col2, enum_col, float_col, blob_col, numeric_col, bool_col, bool_col2) VALUES (:int_col, '', :char_col, :enum_col, :float_col, CHAR_TO_BLOB(:blob_col), :numeric_col, :bool_col, :bool_col2)";
+		$command = $db->createCommand($sql);
+		$intCol = 123;
+		$charCol = 'abc';
+		$enumCol = 'a';
+		$floatCol = 1.23;
+		$blobCol = "\x10\x11\x12";
+		$numericCol = '1.23';
+		$boolCol = false;
+		$boolCol2 = true;
+		$command->bindParam(':int_col', $intCol);
+		$command->bindParam(':char_col', $charCol);
+		$command->bindParam(':enum_col', $enumCol);
+		$command->bindParam(':float_col', $floatCol);
+		$command->bindParam(':blob_col', $blobCol);
+		$command->bindParam(':numeric_col', $numericCol);
+		$command->bindParam(':bool_col', $boolCol);
+		$command->bindParam(':bool_col2', $boolCol2);
+		$this->assertEquals(1, $command->execute());
+
+		$sql = 'SELECT * FROM tbl_type';
+		$row = $db->createCommand($sql)->queryOne();
+		$this->assertEquals($intCol, $row['int_col']);
+		$this->assertEquals($enumCol, $row['enum_col']);
+		$this->assertEquals($charCol, $row['char_col2']);
+		$this->assertEquals($floatCol, $row['float_col']);
+		$this->assertEquals($blobCol, fread($row['blob_col'], 3));
+		$this->assertEquals($numericCol, $row['numeric_col']);
+		$this->assertEquals($boolCol, $row['bool_col']);
+		$this->assertEquals($boolCol2, $row['bool_col2']);
+
+		// bindValue
+		$sql = 'INSERT INTO tbl_customer(email, name, address) VALUES (:email, \'user5\', \'address5\')';
+		$command = $db->createCommand($sql);
+		$command->bindValue(':email', 'user5@example.com');
+		$command->execute();
+
+		$sql = 'SELECT email FROM tbl_customer WHERE name=:name';
+		$command = $db->createCommand($sql);
+		$command->bindValue(':name', 'user5');
+		$this->assertEquals('user5@example.com', $command->queryScalar());
+	}
+}
diff --git a/tests/unit/framework/db/cubrid/CubridConnectionTest.php b/tests/unit/framework/db/cubrid/CubridConnectionTest.php
new file mode 100644
index 0000000..6924883
--- /dev/null
+++ b/tests/unit/framework/db/cubrid/CubridConnectionTest.php
@@ -0,0 +1,17 @@
+<?php
+namespace yiiunit\framework\db\cubrid;
+
+use yiiunit\framework\db\ConnectionTest;
+
+class CubridConnectionTest extends ConnectionTest
+{
+	public $driverName = 'cubrid';
+
+	public function testQuoteValue()
+	{
+		$connection = $this->getConnection(false);
+		$this->assertEquals(123, $connection->quoteValue(123));
+		$this->assertEquals("'string'", $connection->quoteValue('string'));
+		$this->assertEquals("'It''s interesting'", $connection->quoteValue("It's interesting"));
+	}
+}
diff --git a/tests/unit/framework/db/cubrid/CubridQueryBuilderTest.php b/tests/unit/framework/db/cubrid/CubridQueryBuilderTest.php
new file mode 100644
index 0000000..94a002e
--- /dev/null
+++ b/tests/unit/framework/db/cubrid/CubridQueryBuilderTest.php
@@ -0,0 +1,80 @@
+<?php
+
+namespace yiiunit\framework\db\cubrid;
+
+use yii\base\NotSupportedException;
+use yii\db\sqlite\Schema;
+use yiiunit\framework\db\QueryBuilderTest;
+
+class CubridQueryBuilderTest extends QueryBuilderTest
+{
+	public $driverName = 'cubrid';
+
+	/**
+	 * this is not used as a dataprovider for testGetColumnType to speed up the test
+	 * when used as dataprovider every single line will cause a reconnect with the database which is not needed here
+	 */
+	public function columnTypes()
+	{
+		return array(
+			array(Schema::TYPE_PK, 'int NOT NULL AUTO_INCREMENT PRIMARY KEY'),
+			array(Schema::TYPE_PK . '(8)', 'int NOT NULL AUTO_INCREMENT PRIMARY KEY'),
+			array(Schema::TYPE_PK . ' CHECK (value > 5)', 'int NOT NULL AUTO_INCREMENT PRIMARY KEY CHECK (value > 5)'),
+			array(Schema::TYPE_PK . '(8) CHECK (value > 5)', 'int NOT NULL AUTO_INCREMENT PRIMARY KEY CHECK (value > 5)'),
+			array(Schema::TYPE_STRING, 'varchar(255)'),
+			array(Schema::TYPE_STRING . '(32)', 'varchar(32)'),
+			array(Schema::TYPE_STRING . ' CHECK (value LIKE "test%")', 'varchar(255) CHECK (value LIKE "test%")'),
+			array(Schema::TYPE_STRING . '(32) CHECK (value LIKE "test%")', 'varchar(32) CHECK (value LIKE "test%")'),
+			array(Schema::TYPE_STRING . ' NOT NULL', 'varchar(255) NOT NULL'),
+			array(Schema::TYPE_TEXT, 'varchar'),
+			array(Schema::TYPE_TEXT . '(255)', 'varchar'),
+			array(Schema::TYPE_TEXT . ' CHECK (value LIKE "test%")', 'varchar CHECK (value LIKE "test%")'),
+			array(Schema::TYPE_TEXT . '(255) CHECK (value LIKE "test%")', 'varchar CHECK (value LIKE "test%")'),
+			array(Schema::TYPE_TEXT . ' NOT NULL', 'varchar NOT NULL'),
+			array(Schema::TYPE_TEXT . '(255) NOT NULL', 'varchar NOT NULL'),
+			array(Schema::TYPE_SMALLINT, 'smallint'),
+			array(Schema::TYPE_SMALLINT . '(8)', 'smallint'),
+			array(Schema::TYPE_INTEGER, 'int'),
+			array(Schema::TYPE_INTEGER . '(8)', 'int'),
+			array(Schema::TYPE_INTEGER . ' CHECK (value > 5)', 'int CHECK (value > 5)'),
+			array(Schema::TYPE_INTEGER . '(8) CHECK (value > 5)', 'int CHECK (value > 5)'),
+			array(Schema::TYPE_INTEGER . ' NOT NULL', 'int NOT NULL'),
+			array(Schema::TYPE_BIGINT, 'bigint'),
+			array(Schema::TYPE_BIGINT . '(8)', 'bigint'),
+			array(Schema::TYPE_BIGINT . ' CHECK (value > 5)', 'bigint CHECK (value > 5)'),
+			array(Schema::TYPE_BIGINT . '(8) CHECK (value > 5)', 'bigint CHECK (value > 5)'),
+			array(Schema::TYPE_BIGINT . ' NOT NULL', 'bigint NOT NULL'),
+			array(Schema::TYPE_FLOAT, 'float(7)'),
+			array(Schema::TYPE_FLOAT . '(16)', 'float(16)'),
+			array(Schema::TYPE_FLOAT . ' CHECK (value > 5.6)', 'float(7) CHECK (value > 5.6)'),
+			array(Schema::TYPE_FLOAT . '(16) CHECK (value > 5.6)', 'float(16) CHECK (value > 5.6)'),
+			array(Schema::TYPE_FLOAT . ' NOT NULL', 'float(7) NOT NULL'),
+			array(Schema::TYPE_DECIMAL, 'decimal(10,0)'),
+			array(Schema::TYPE_DECIMAL . '(12,4)', 'decimal(12,4)'),
+			array(Schema::TYPE_DECIMAL . ' CHECK (value > 5.6)', 'decimal(10,0) CHECK (value > 5.6)'),
+			array(Schema::TYPE_DECIMAL . '(12,4) CHECK (value > 5.6)', 'decimal(12,4) CHECK (value > 5.6)'),
+			array(Schema::TYPE_DECIMAL . ' NOT NULL', 'decimal(10,0) NOT NULL'),
+			array(Schema::TYPE_DATETIME, 'datetime'),
+			array(Schema::TYPE_DATETIME . " CHECK(value BETWEEN '2011-01-01' AND '2013-01-01')", "datetime CHECK(value BETWEEN '2011-01-01' AND '2013-01-01')"),
+			array(Schema::TYPE_DATETIME . ' NOT NULL', 'datetime NOT NULL'),
+			array(Schema::TYPE_TIMESTAMP, 'timestamp'),
+			array(Schema::TYPE_TIMESTAMP . " CHECK(value BETWEEN '2011-01-01' AND '2013-01-01')", "timestamp CHECK(value BETWEEN '2011-01-01' AND '2013-01-01')"),
+			array(Schema::TYPE_TIMESTAMP . ' NOT NULL', 'timestamp NOT NULL'),
+			array(Schema::TYPE_TIME, 'time'),
+			array(Schema::TYPE_TIME . " CHECK(value BETWEEN '12:00:00' AND '13:01:01')", "time CHECK(value BETWEEN '12:00:00' AND '13:01:01')"),
+			array(Schema::TYPE_TIME . ' NOT NULL', 'time NOT NULL'),
+			array(Schema::TYPE_DATE, 'date'),
+			array(Schema::TYPE_DATE . " CHECK(value BETWEEN '2011-01-01' AND '2013-01-01')", "date CHECK(value BETWEEN '2011-01-01' AND '2013-01-01')"),
+			array(Schema::TYPE_DATE . ' NOT NULL', 'date NOT NULL'),
+			array(Schema::TYPE_BINARY, 'blob'),
+			array(Schema::TYPE_BOOLEAN, 'smallint'),
+			array(Schema::TYPE_BOOLEAN . ' NOT NULL DEFAULT 1', 'smallint NOT NULL DEFAULT 1'),
+			array(Schema::TYPE_MONEY, 'decimal(19,4)'),
+			array(Schema::TYPE_MONEY . '(16,2)', 'decimal(16,2)'),
+			array(Schema::TYPE_MONEY . ' CHECK (value > 0.0)', 'decimal(19,4) CHECK (value > 0.0)'),
+			array(Schema::TYPE_MONEY . '(16,2) CHECK (value > 0.0)', 'decimal(16,2) CHECK (value > 0.0)'),
+			array(Schema::TYPE_MONEY . ' NOT NULL', 'decimal(19,4) NOT NULL'),
+		);
+	}
+
+}
diff --git a/tests/unit/framework/db/cubrid/CubridQueryTest.php b/tests/unit/framework/db/cubrid/CubridQueryTest.php
new file mode 100644
index 0000000..2c68a35
--- /dev/null
+++ b/tests/unit/framework/db/cubrid/CubridQueryTest.php
@@ -0,0 +1,9 @@
+<?php
+namespace yiiunit\framework\db\cubrid;
+
+use yiiunit\framework\db\QueryTest;
+
+class CubridQueryTest extends QueryTest
+{
+	public $driverName = 'cubrid';
+}
diff --git a/tests/unit/framework/db/cubrid/CubridSchemaTest.php b/tests/unit/framework/db/cubrid/CubridSchemaTest.php
new file mode 100644
index 0000000..d235b40
--- /dev/null
+++ b/tests/unit/framework/db/cubrid/CubridSchemaTest.php
@@ -0,0 +1,31 @@
+<?php
+namespace yiiunit\framework\db\cubrid;
+
+use yiiunit\framework\db\SchemaTest;
+
+class CubridSchemaTest extends SchemaTest
+{
+	public $driverName = 'cubrid';
+
+	public function testGetPDOType()
+	{
+		$values = array(
+			null => \PDO::PARAM_NULL,
+			'' => \PDO::PARAM_STR,
+			'hello' => \PDO::PARAM_STR,
+			0 => \PDO::PARAM_INT,
+			1 => \PDO::PARAM_INT,
+			1337 => \PDO::PARAM_INT,
+			true => \PDO::PARAM_INT, // CUBRID PDO does not support PARAM_BOOL
+			false => \PDO::PARAM_INT, // CUBRID PDO does not support PARAM_BOOL
+		);
+
+		$schema = $this->getConnection()->schema;
+
+		foreach($values as $value => $type) {
+			$this->assertEquals($type, $schema->getPdoType($value));
+		}
+		$this->assertEquals(\PDO::PARAM_LOB, $schema->getPdoType($fp=fopen(__FILE__, 'rb')));
+		fclose($fp);
+	}
+}
diff --git a/tests/unit/framework/db/mssql/MssqlActiveRecordTest.php b/tests/unit/framework/db/mssql/MssqlActiveRecordTest.php
index 5647411..92e4da2 100644
--- a/tests/unit/framework/db/mssql/MssqlActiveRecordTest.php
+++ b/tests/unit/framework/db/mssql/MssqlActiveRecordTest.php
@@ -6,9 +6,5 @@ use yiiunit\framework\db\ActiveRecordTest;
 
 class MssqlActiveRecordTest extends ActiveRecordTest
 {
-	protected function setUp()
-	{
-		$this->driverName = 'sqlsrv';
-		parent::setUp();
-	}
+	protected $driverName = 'sqlsrv';
 }
diff --git a/tests/unit/framework/db/mssql/MssqlCommandTest.php b/tests/unit/framework/db/mssql/MssqlCommandTest.php
index e27fcee..1908f65 100644
--- a/tests/unit/framework/db/mssql/MssqlCommandTest.php
+++ b/tests/unit/framework/db/mssql/MssqlCommandTest.php
@@ -6,11 +6,7 @@ use yiiunit\framework\db\CommandTest;
 
 class MssqlCommandTest extends CommandTest
 {
-	public function setUp()
-	{
-		$this->driverName = 'sqlsrv';
-		parent::setUp();
-	}
+	protected $driverName = 'sqlsrv';
 
 	public function testAutoQuoting()
 	{
diff --git a/tests/unit/framework/db/mssql/MssqlConnectionTest.php b/tests/unit/framework/db/mssql/MssqlConnectionTest.php
index 7bbaae7..854c81f 100644
--- a/tests/unit/framework/db/mssql/MssqlConnectionTest.php
+++ b/tests/unit/framework/db/mssql/MssqlConnectionTest.php
@@ -6,11 +6,7 @@ use yiiunit\framework\db\ConnectionTest;
 
 class MssqlConnectionTest extends ConnectionTest
 {
-	public function setUp()
-	{
-		$this->driverName = 'sqlsrv';
-		parent::setUp();
-	}
+	protected $driverName = 'sqlsrv';
 
 	public function testQuoteValue()
 	{
diff --git a/tests/unit/framework/db/mssql/MssqlQueryTest.php b/tests/unit/framework/db/mssql/MssqlQueryTest.php
index 4f37c14..e07ac1d 100644
--- a/tests/unit/framework/db/mssql/MssqlQueryTest.php
+++ b/tests/unit/framework/db/mssql/MssqlQueryTest.php
@@ -6,9 +6,5 @@ use yiiunit\framework\db\QueryTest;
 
 class MssqlQueryTest extends QueryTest
 {
-	public function setUp()
-	{
-		$this->driverName = 'sqlsrv';
-		parent::setUp();
-	}
+	protected $driverName = 'sqlsrv';
 }
diff --git a/tests/unit/framework/db/pgsql/PostgreSQLActiveRecordTest.php b/tests/unit/framework/db/pgsql/PostgreSQLActiveRecordTest.php
index 2836223..aef09fd 100644
--- a/tests/unit/framework/db/pgsql/PostgreSQLActiveRecordTest.php
+++ b/tests/unit/framework/db/pgsql/PostgreSQLActiveRecordTest.php
@@ -6,9 +6,5 @@ use yiiunit\framework\db\ActiveRecordTest;
 
 class PostgreSQLActiveRecordTest extends ActiveRecordTest
 {
-	protected function setUp()
-	{
-		$this->driverName = 'pgsql';
-		parent::setUp();
-	}
+	protected $driverName = 'pgsql';
 }
diff --git a/tests/unit/framework/db/pgsql/PostgreSQLConnectionTest.php b/tests/unit/framework/db/pgsql/PostgreSQLConnectionTest.php
index 7ac65c5..cd76a97 100644
--- a/tests/unit/framework/db/pgsql/PostgreSQLConnectionTest.php
+++ b/tests/unit/framework/db/pgsql/PostgreSQLConnectionTest.php
@@ -5,11 +5,7 @@ use yiiunit\framework\db\ConnectionTest;
 
 class PostgreSQLConnectionTest extends ConnectionTest
 {
-	public function setUp()
-	{
-		$this->driverName = 'pgsql';
-		parent::setUp();
-	}
+	protected $driverName = 'pgsql';
 
 	public function testConnection()
 	{
diff --git a/tests/unit/framework/db/pgsql/PostgreSQLQueryBuilderTest.php b/tests/unit/framework/db/pgsql/PostgreSQLQueryBuilderTest.php
index 7c31190..bf2dd73 100644
--- a/tests/unit/framework/db/pgsql/PostgreSQLQueryBuilderTest.php
+++ b/tests/unit/framework/db/pgsql/PostgreSQLQueryBuilderTest.php
@@ -2,13 +2,11 @@
 
 namespace yiiunit\framework\db\pgsql;
 
-use yii\base\NotSupportedException;
 use yii\db\pgsql\Schema;
 use yiiunit\framework\db\QueryBuilderTest;
 
 class PostgreSQLQueryBuilderTest extends QueryBuilderTest
 {
-
 	public $driverName = 'pgsql';
 	
 	public function columnTypes()
diff --git a/tests/unit/framework/db/sqlite/SqliteActiveRecordTest.php b/tests/unit/framework/db/sqlite/SqliteActiveRecordTest.php
index 2e76162..1088280 100644
--- a/tests/unit/framework/db/sqlite/SqliteActiveRecordTest.php
+++ b/tests/unit/framework/db/sqlite/SqliteActiveRecordTest.php
@@ -5,9 +5,5 @@ use yiiunit\framework\db\ActiveRecordTest;
 
 class SqliteActiveRecordTest extends ActiveRecordTest
 {
-	protected function setUp()
-	{
-		$this->driverName = 'sqlite';
-		parent::setUp();
-	}
+	protected $driverName = 'sqlite';
 }
diff --git a/tests/unit/framework/db/sqlite/SqliteCommandTest.php b/tests/unit/framework/db/sqlite/SqliteCommandTest.php
index e330c7e..af9a323 100644
--- a/tests/unit/framework/db/sqlite/SqliteCommandTest.php
+++ b/tests/unit/framework/db/sqlite/SqliteCommandTest.php
@@ -5,11 +5,7 @@ use yiiunit\framework\db\CommandTest;
 
 class SqliteCommandTest extends CommandTest
 {
-	protected function setUp()
-	{
-		$this->driverName = 'sqlite';
-		parent::setUp();
-	}
+	protected $driverName = 'sqlite';
 
 	public function testAutoQuoting()
 	{
diff --git a/tests/unit/framework/db/sqlite/SqliteConnectionTest.php b/tests/unit/framework/db/sqlite/SqliteConnectionTest.php
index 2065200..f1d5b94 100644
--- a/tests/unit/framework/db/sqlite/SqliteConnectionTest.php
+++ b/tests/unit/framework/db/sqlite/SqliteConnectionTest.php
@@ -5,11 +5,7 @@ use yiiunit\framework\db\ConnectionTest;
 
 class SqliteConnectionTest extends ConnectionTest
 {
-	protected function setUp()
-	{
-		$this->driverName = 'sqlite';
-		parent::setUp();
-	}
+	protected $driverName = 'sqlite';
 
 	public function testConstruct()
 	{
diff --git a/tests/unit/framework/db/sqlite/SqliteQueryBuilderTest.php b/tests/unit/framework/db/sqlite/SqliteQueryBuilderTest.php
index 3291187..2e3a615 100644
--- a/tests/unit/framework/db/sqlite/SqliteQueryBuilderTest.php
+++ b/tests/unit/framework/db/sqlite/SqliteQueryBuilderTest.php
@@ -8,7 +8,7 @@ use yiiunit\framework\db\QueryBuilderTest;
 
 class SqliteQueryBuilderTest extends QueryBuilderTest
 {
-	public $driverName = 'sqlite';
+	protected $driverName = 'sqlite';
 
 	public function columnTypes()
 	{
diff --git a/tests/unit/framework/db/sqlite/SqliteQueryTest.php b/tests/unit/framework/db/sqlite/SqliteQueryTest.php
index ebbb1bb..3f112dc 100644
--- a/tests/unit/framework/db/sqlite/SqliteQueryTest.php
+++ b/tests/unit/framework/db/sqlite/SqliteQueryTest.php
@@ -5,9 +5,5 @@ use yiiunit\framework\db\QueryTest;
 
 class SqliteQueryTest extends QueryTest
 {
-	protected function setUp()
-	{
-		$this->driverName = 'sqlite';
-		parent::setUp();
-	}
+	protected $driverName = 'sqlite';
 }
diff --git a/tests/unit/framework/db/sqlite/SqliteSchemaTest.php b/tests/unit/framework/db/sqlite/SqliteSchemaTest.php
new file mode 100644
index 0000000..9b17a1d
--- /dev/null
+++ b/tests/unit/framework/db/sqlite/SqliteSchemaTest.php
@@ -0,0 +1,14 @@
+<?php
+namespace yiiunit\framework\db\sqlite;
+
+use yiiunit\framework\db\SchemaTest;
+
+class SqliteSchemaTest extends SchemaTest
+{
+	protected $driverName = 'sqlite';
+
+	public function testCompositeFk()
+	{
+		$this->markTestSkipped('sqlite does not allow getting enough information about composite FK.');
+	}
+}