diff --git a/src/Illuminate/Database/Schema/Grammars/MySqlGrammar.php b/src/Illuminate/Database/Schema/Grammars/MySqlGrammar.php
index 938a18856e32..38fd418141b2 100755
--- a/src/Illuminate/Database/Schema/Grammars/MySqlGrammar.php
+++ b/src/Illuminate/Database/Schema/Grammars/MySqlGrammar.php
@@ -653,7 +653,7 @@ public function compileRenameIndex(Blueprint $blueprint, Fluent $command)
      */
     public function compileDropAllTables($tables)
     {
-        return 'drop table '.implode(',', $this->wrapArray($tables));
+        return 'drop table '.implode(', ', $this->wrapArray($tables));
     }
 
     /**
@@ -664,7 +664,7 @@ public function compileDropAllTables($tables)
      */
     public function compileDropAllViews($views)
     {
-        return 'drop view '.implode(',', $this->wrapArray($views));
+        return 'drop view '.implode(', ', $this->wrapArray($views));
     }
 
     /**
diff --git a/src/Illuminate/Database/Schema/Grammars/PostgresGrammar.php b/src/Illuminate/Database/Schema/Grammars/PostgresGrammar.php
index 21a5863f305e..2a49cd1d1c23 100755
--- a/src/Illuminate/Database/Schema/Grammars/PostgresGrammar.php
+++ b/src/Illuminate/Database/Schema/Grammars/PostgresGrammar.php
@@ -463,7 +463,7 @@ public function compileDropIfExists(Blueprint $blueprint, Fluent $command)
      */
     public function compileDropAllTables($tables)
     {
-        return 'drop table '.implode(',', $this->escapeNames($tables)).' cascade';
+        return 'drop table '.implode(', ', $this->escapeNames($tables)).' cascade';
     }
 
     /**
@@ -474,7 +474,7 @@ public function compileDropAllTables($tables)
      */
     public function compileDropAllViews($views)
     {
-        return 'drop view '.implode(',', $this->escapeNames($views)).' cascade';
+        return 'drop view '.implode(', ', $this->escapeNames($views)).' cascade';
     }
 
     /**
@@ -485,7 +485,7 @@ public function compileDropAllViews($views)
      */
     public function compileDropAllTypes($types)
     {
-        return 'drop type '.implode(',', $this->escapeNames($types)).' cascade';
+        return 'drop type '.implode(', ', $this->escapeNames($types)).' cascade';
     }
 
     /**
@@ -496,7 +496,7 @@ public function compileDropAllTypes($types)
      */
     public function compileDropAllDomains($domains)
     {
-        return 'drop domain '.implode(',', $this->escapeNames($domains)).' cascade';
+        return 'drop domain '.implode(', ', $this->escapeNames($domains)).' cascade';
     }
 
     /**
diff --git a/src/Illuminate/Database/Schema/Grammars/SqlServerGrammar.php b/src/Illuminate/Database/Schema/Grammars/SqlServerGrammar.php
index b387b3a4d42d..6aff6696d507 100755
--- a/src/Illuminate/Database/Schema/Grammars/SqlServerGrammar.php
+++ b/src/Illuminate/Database/Schema/Grammars/SqlServerGrammar.php
@@ -405,7 +405,7 @@ public function compileDropDefaultConstraint(Blueprint $blueprint, Fluent $comma
     {
         $columns = $command->name === 'change'
             ? "'".$command->column->name."'"
-            : "'".implode("','", $command->columns)."'";
+            : "'".implode("', '", $command->columns)."'";
 
         $table = $this->wrapTable($blueprint);
         $tableName = $this->quoteString($this->wrapTable($blueprint));
diff --git a/tests/Database/DatabaseMariaDbSchemaGrammarTest.php b/tests/Database/DatabaseMariaDbSchemaGrammarTest.php
index e30063710c9e..1152b2c1adcb 100755
--- a/tests/Database/DatabaseMariaDbSchemaGrammarTest.php
+++ b/tests/Database/DatabaseMariaDbSchemaGrammarTest.php
@@ -1471,14 +1471,14 @@ public function testDropAllTables()
         $connection = $this->getConnection();
         $statement = $this->getGrammar($connection)->compileDropAllTables(['alpha', 'beta', 'gamma']);
 
-        $this->assertSame('drop table `alpha`,`beta`,`gamma`', $statement);
+        $this->assertSame('drop table `alpha`, `beta`, `gamma`', $statement);
     }
 
     public function testDropAllViews()
     {
         $statement = $this->getGrammar()->compileDropAllViews(['alpha', 'beta', 'gamma']);
 
-        $this->assertSame('drop view `alpha`,`beta`,`gamma`', $statement);
+        $this->assertSame('drop view `alpha`, `beta`, `gamma`', $statement);
     }
 
     public function testGrammarsAreMacroable()
diff --git a/tests/Database/DatabaseMySqlSchemaGrammarTest.php b/tests/Database/DatabaseMySqlSchemaGrammarTest.php
index 64002304ba10..a00aff0472b9 100755
--- a/tests/Database/DatabaseMySqlSchemaGrammarTest.php
+++ b/tests/Database/DatabaseMySqlSchemaGrammarTest.php
@@ -1480,14 +1480,14 @@ public function testDropAllTables()
     {
         $statement = $this->getGrammar()->compileDropAllTables(['alpha', 'beta', 'gamma']);
 
-        $this->assertSame('drop table `alpha`,`beta`,`gamma`', $statement);
+        $this->assertSame('drop table `alpha`, `beta`, `gamma`', $statement);
     }
 
     public function testDropAllViews()
     {
         $statement = $this->getGrammar()->compileDropAllViews(['alpha', 'beta', 'gamma']);
 
-        $this->assertSame('drop view `alpha`,`beta`,`gamma`', $statement);
+        $this->assertSame('drop view `alpha`, `beta`, `gamma`', $statement);
     }
 
     public function testGrammarsAreMacroable()
diff --git a/tests/Database/DatabasePostgresSchemaGrammarTest.php b/tests/Database/DatabasePostgresSchemaGrammarTest.php
index 3b7b0cb4e9c7..36e26f9885b8 100755
--- a/tests/Database/DatabasePostgresSchemaGrammarTest.php
+++ b/tests/Database/DatabasePostgresSchemaGrammarTest.php
@@ -1093,21 +1093,21 @@ public function testDropAllTablesEscapesTableNames()
     {
         $statement = $this->getGrammar()->compileDropAllTables(['alpha', 'beta', 'gamma']);
 
-        $this->assertSame('drop table "alpha","beta","gamma" cascade', $statement);
+        $this->assertSame('drop table "alpha", "beta", "gamma" cascade', $statement);
     }
 
     public function testDropAllViewsEscapesTableNames()
     {
         $statement = $this->getGrammar()->compileDropAllViews(['alpha', 'beta', 'gamma']);
 
-        $this->assertSame('drop view "alpha","beta","gamma" cascade', $statement);
+        $this->assertSame('drop view "alpha", "beta", "gamma" cascade', $statement);
     }
 
     public function testDropAllTypesEscapesTableNames()
     {
         $statement = $this->getGrammar()->compileDropAllTypes(['alpha', 'beta', 'gamma']);
 
-        $this->assertSame('drop type "alpha","beta","gamma" cascade', $statement);
+        $this->assertSame('drop type "alpha", "beta", "gamma" cascade', $statement);
     }
 
     public function testCompileColumns()