diff --git a/framework/db/oci/Schema.php b/framework/db/oci/Schema.php
index 82fbf8b..90824c0 100644
--- a/framework/db/oci/Schema.php
+++ b/framework/db/oci/Schema.php
@@ -253,22 +253,23 @@ SQL;
     protected function findConstraints($table)
     {
         $sql = <<<SQL
-SELECT D.constraint_type as CONSTRAINT_TYPE, C.COLUMN_NAME, C.position, D.r_constraint_name,
-        E.table_name as table_ref, f.column_name as column_ref,
-        C.table_name
+SELECT D.CONSTRAINT_NAME, C.COLUMN_NAME, C.POSITION, D.R_CONSTRAINT_NAME,
+        E.TABLE_NAME AS TABLE_REF, F.COLUMN_NAME AS COLUMN_REF,
+        C.TABLE_NAME
 FROM ALL_CONS_COLUMNS C
-INNER JOIN ALL_constraints D on D.OWNER = C.OWNER and D.constraint_name = C.constraint_name
-LEFT JOIN ALL_constraints E on E.OWNER = D.r_OWNER and E.constraint_name = D.r_constraint_name
-LEFT JOIN ALL_cons_columns F on F.OWNER = E.OWNER and F.constraint_name = E.constraint_name and F.position = c.position
+INNER JOIN ALL_CONSTRAINTS D ON D.OWNER = C.OWNER AND D.CONSTRAINT_NAME = C.CONSTRAINT_NAME
+LEFT JOIN ALL_CONSTRAINTS E ON E.OWNER = D.R_OWNER AND E.CONSTRAINT_NAME = D.R_CONSTRAINT_NAME
+LEFT JOIN ALL_CONS_COLUMNS F ON F.OWNER = E.OWNER AND F.CONSTRAINT_NAME = E.CONSTRAINT_NAME AND F.POSITION = C.POSITION
 WHERE C.OWNER = :schemaName
-   AND C.table_name = :tableName
-   AND D.constraint_type = 'R'
-ORDER BY d.constraint_name, c.position
+   AND C.TABLE_NAME = :tableName
+   AND D.CONSTRAINT_TYPE = 'R'
+ORDER BY D.CONSTRAINT_NAME, C.POSITION
 SQL;
         $command = $this->db->createCommand($sql, [
             ':tableName' => $table->name,
             ':schemaName' => $table->schemaName,
         ]);
+        $constraints = [];
         foreach ($command->queryAll() as $row) {
             if ($this->db->slavePdo->getAttribute(\PDO::ATTR_CASE) === \PDO::CASE_LOWER) {
                 $row = array_change_key_case($row, CASE_UPPER);
diff --git a/framework/db/pgsql/Schema.php b/framework/db/pgsql/Schema.php
index b700164..e547f8d 100644
--- a/framework/db/pgsql/Schema.php
+++ b/framework/db/pgsql/Schema.php
@@ -180,7 +180,7 @@ class Schema extends \yii\db\Schema
 SELECT c.relname AS table_name
 FROM pg_class c
 INNER JOIN pg_namespace ns ON ns.oid = c.relnamespace
-WHERE ns.nspname = :schema AND c.relkind IN ('r','v','m','f')
+WHERE ns.nspname = :schemaName AND c.relkind IN ('r','v','m','f')
 ORDER BY c.relname
 SQL;
         $command = $this->db->createCommand($sql, [':schemaName' => $schema]);
diff --git a/tests/unit/data/oci.sql b/tests/unit/data/oci.sql
index 32f09c3..cf8736f 100644
--- a/tests/unit/data/oci.sql
+++ b/tests/unit/data/oci.sql
@@ -18,6 +18,7 @@ BEGIN EXECUTE IMMEDIATE 'DROP TABLE "null_values"'; EXCEPTION WHEN OTHERS THEN I
 BEGIN EXECUTE IMMEDIATE 'DROP TABLE "constraints"'; EXCEPTION WHEN OTHERS THEN IF SQLCODE != -942 THEN RAISE; END IF; END;--
 BEGIN EXECUTE IMMEDIATE 'DROP TABLE "bool_values"'; EXCEPTION WHEN OTHERS THEN IF SQLCODE != -942 THEN RAISE; END IF; END;--
 BEGIN EXECUTE IMMEDIATE 'DROP TABLE "animal"'; EXCEPTION WHEN OTHERS THEN IF SQLCODE != -942 THEN RAISE; END IF; END;--
+BEGIN EXECUTE IMMEDIATE 'DROP VIEW "animal_view"'; EXCEPTION WHEN OTHERS THEN IF SQLCODE != -942 THEN RAISE; END IF; END;--
 BEGIN EXECUTE IMMEDIATE 'DROP TABLE "validator_main"'; EXCEPTION WHEN OTHERS THEN IF SQLCODE != -942 THEN RAISE; END IF; END;--
 BEGIN EXECUTE IMMEDIATE 'DROP TABLE "validator_ref"'; EXCEPTION WHEN OTHERS THEN IF SQLCODE != -942 THEN RAISE; END IF; END;--
 
@@ -161,6 +162,8 @@ CREATE TABLE "animal" (
 );
 CREATE SEQUENCE "animal_SEQ";
 
+CREATE VIEW "animal_view" AS SELECT * FROM "animal";
+
 /**
  * (Postgres-)Database Schema for validator tests
  */