diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php
index ca8f3fe..1775047 100644
--- a/system/database/drivers/mysqli/mysqli_utility.php
+++ b/system/database/drivers/mysqli/mysqli_utility.php
@@ -27,13 +27,13 @@
 	/**
 	 * Create database
 	 *
-	 * @access	public
+	 * @access	private
 	 * @param	string	the database name
 	 * @return	bool
 	 */
-	function create_database($name)
+	function _create_database($name)
 	{
-		return $this->db->query("CREATE DATABASE ".$name);
+		return "CREATE DATABASE ".$name;
 	}
 
 	// --------------------------------------------------------------------
@@ -83,7 +83,7 @@
 	 */
 	function drop_table($table)
 	{
-		"DROP TABLE IF EXISTS ".$this->db->_escape_table($name);
+		return $this->db->query("DROP TABLE IF EXISTS ".$this->db->_escape_table($name));
 	}
 
 	// --------------------------------------------------------------------
@@ -143,9 +143,7 @@
 	 */
 	function _field_data($table)
 	{
-		$sql = "SELECT * FROM ".$this->db->_escape_table($table)." LIMIT 1";
-		$query = $this->db->query($sql);
-		return $query->field_data();
+		return "SELECT * FROM ".$this->db->_escape_table($table)." LIMIT 1";
 	}