diff --git a/tests/framework/db/CommandTest.php b/tests/framework/db/CommandTest.php
index 1162a30167..66a1510d81 100644
--- a/tests/framework/db/CommandTest.php
+++ b/tests/framework/db/CommandTest.php
@@ -314,7 +314,10 @@ SQL;
     public function testCreateTable()
     {
         $db = $this->getConnection();
-        $db->createCommand('DROP TABLE IF EXISTS {{testCreateTable}};')->execute();
+
+        if($db->getSchema()->getTableSchema('testCreateTable') !== null){
+            $db->createCommand()->dropTable('testCreateTable')->execute();
+        }
 
         $db->createCommand()->createTable('testCreateTable', ['id' => Schema::TYPE_PK, 'bar' => Schema::TYPE_INTEGER])->execute();
         $db->createCommand()->insert('testCreateTable', ['bar' => 1])->execute();
@@ -331,7 +334,10 @@ SQL;
         }
 
         $db = $this->getConnection();
-        $db->createCommand("DROP TABLE IF EXISTS {{testAlterTable}};")->execute();
+
+        if($db->getSchema()->getTableSchema('testAlterTable') !== null){
+            $db->createCommand()->dropTable('testAlterTable')->execute();
+        }
 
         $db->createCommand()->createTable('testAlterTable', ['id' => Schema::TYPE_PK, 'bar' => Schema::TYPE_INTEGER])->execute();
         $db->createCommand()->insert('testAlterTable', ['bar' => 1])->execute();
@@ -347,6 +353,47 @@ SQL;
     }
 
 
+    public function testDropTable()
+    {
+        $db = $this->getConnection();
+
+        $tableName = 'type';
+        $this->assertNotNull($db->getSchema()->getTableSchema($tableName));
+        $db->createCommand()->dropTable($tableName)->execute();
+        $this->assertNull($db->getSchema()->getTableSchema($tableName));
+    }
+
+    public function testTruncateTable()
+    {
+        $db = $this->getConnection();
+
+        $rows = $db->createCommand('SELECT * FROM {{animal}}')->queryAll();
+        $this->assertEquals(2, count($rows));
+        $db->createCommand()->truncateTable('animal')->execute();
+        $rows = $db->createCommand('SELECT * FROM {{animal}}')->queryAll();
+        $this->assertEquals(0, count($rows));
+    }
+
+    public function testRenameTable()
+    {
+        $db = $this->getConnection();
+
+        $fromTableName = 'type';
+        $toTableName = 'new_type';
+
+        if($db->getSchema()->getTableSchema($toTableName) !== null){
+            $db->createCommand()->dropTable($toTableName)->execute();
+        }
+
+        $this->assertNotNull($db->getSchema()->getTableSchema($fromTableName));
+        $this->assertNull($db->getSchema()->getTableSchema($toTableName));
+
+        $db->createCommand()->renameTable($fromTableName, $toTableName)->execute();
+
+        $this->assertNull($db->getSchema()->getTableSchema($fromTableName, true));
+        $this->assertNotNull($db->getSchema()->getTableSchema($toTableName, true));
+    }
+
     /*
     public function testUpdate()
     {
@@ -356,18 +403,6 @@ SQL;
     {
     }
 
-    public function testRenameTable()
-    {
-    }
-
-    public function testDropTable()
-    {
-    }
-
-    public function testTruncateTable()
-    {
-    }
-
     public function testAddColumn()
     {
     }
diff --git a/tests/framework/db/mssql/MssqlCommandTest.php b/tests/framework/db/mssql/MssqlCommandTest.php
index 8d6f42c236..28059de7b3 100644
--- a/tests/framework/db/mssql/MssqlCommandTest.php
+++ b/tests/framework/db/mssql/MssqlCommandTest.php
@@ -82,49 +82,4 @@ class MssqlCommandTest extends CommandTest
         $command->bindValue(':name', 'user5');
         $this->assertEquals('user5@example.com', $command->queryScalar());
     }
-
-    public function testCreateTable()
-    {
-        $db = $this->getConnection();
-        // on the first run the 'testCreateTable' table does not exist
-        try {
-            $db->createCommand()->dropTable('testCreateTable')->execute();
-        } catch (\Exception $ex) {
-            // 'testCreateTable' table does not exist
-        }
-
-        $db->createCommand()->createTable('testCreateTable', ['id' => Schema::TYPE_PK, 'bar' => Schema::TYPE_INTEGER])->execute();
-        $db->createCommand()->insert('testCreateTable', ['bar' => 1])->execute();
-        $records = $db->createCommand('SELECT [[id]], [[bar]] FROM {{testCreateTable}};')->queryAll();
-        $this->assertEquals([
-            ['id' => 1, 'bar' => 1],
-        ], $records);
-    }
-
-    public function testAlterTable()
-    {
-        if ($this->driverName === 'sqlite'){
-            $this->markTestSkipped('Sqlite does not support alterTable');
-        }
-
-        $db = $this->getConnection();
-        // on the first run the 'testAlterTable' table does not exist
-        try {
-            $db->createCommand()->dropTable('testAlterTable')->execute();
-        } catch (\Exception $ex) {
-            // 'testAlterTable' table does not exist
-        }
-
-        $db->createCommand()->createTable('testAlterTable', ['id' => Schema::TYPE_PK, 'bar' => Schema::TYPE_INTEGER])->execute();
-        $db->createCommand()->insert('testAlterTable', ['bar' => 1])->execute();
-
-        $db->createCommand()->alterColumn('testAlterTable', 'bar', Schema::TYPE_STRING)->execute();
-
-        $db->createCommand()->insert('testAlterTable', ['bar' => 'hello'])->execute();
-        $records = $db->createCommand('SELECT [[id]], [[bar]] FROM {{testAlterTable}};')->queryAll();
-        $this->assertEquals([
-            ['id' => 1, 'bar' => 1],
-            ['id' => 2, 'bar' => 'hello'],
-        ], $records);
-    }
 }
diff --git a/tests/framework/db/oci/OracleCommandTest.php b/tests/framework/db/oci/OracleCommandTest.php
index 66b7280a23..435b536e65 100644
--- a/tests/framework/db/oci/OracleCommandTest.php
+++ b/tests/framework/db/oci/OracleCommandTest.php
@@ -30,49 +30,4 @@ class OracleCommandTest extends CommandTest
         $command->execute();
         $this->assertEquals(3, $db->getSchema()->getLastInsertID('profile_SEQ'));
     }
-
-    public function testCreateTable()
-    {
-        $db = $this->getConnection();
-        // on the first run the 'testCreateTable' table does not exist
-        try {
-            $db->createCommand()->dropTable('testCreateTable')->execute();
-        } catch (\Exception $ex) {
-            // 'testCreateTable' table does not exist
-        }
-
-        $db->createCommand()->createTable('testCreateTable', ['id' => Schema::TYPE_PK, 'bar' => Schema::TYPE_INTEGER])->execute();
-        $db->createCommand()->insert('testCreateTable', ['bar' => 1])->execute();
-        $records = $db->createCommand('SELECT [[id]], [[bar]] FROM {{testCreateTable}};')->queryAll();
-        $this->assertEquals([
-            ['id' => 1, 'bar' => 1],
-        ], $records);
-    }
-
-    public function testAlterTable()
-    {
-        if ($this->driverName === 'sqlite'){
-            $this->markTestSkipped('Sqlite does not support alterTable');
-        }
-
-        $db = $this->getConnection();
-        // on the first run the 'testAlterTable' table does not exist
-        try {
-            $db->createCommand()->dropTable('testAlterTable')->execute();
-        } catch (\Exception $ex) {
-            // 'testAlterTable' table does not exist
-        }
-
-        $db->createCommand()->createTable('testAlterTable', ['id' => Schema::TYPE_PK, 'bar' => Schema::TYPE_INTEGER])->execute();
-        $db->createCommand()->insert('testAlterTable', ['bar' => 1])->execute();
-
-        $db->createCommand()->alterColumn('testAlterTable', 'bar', Schema::TYPE_STRING)->execute();
-
-        $db->createCommand()->insert('testAlterTable', ['bar' => 'hello'])->execute();
-        $records = $db->createCommand('SELECT [[id]], [[bar]] FROM {{testAlterTable}};')->queryAll();
-        $this->assertEquals([
-            ['id' => 1, 'bar' => 1],
-            ['id' => 2, 'bar' => 'hello'],
-        ], $records);
-    }
 }