diff --git a/phpBB/includes/db/mssql-odbc.php b/phpBB/includes/db/mssql_odbc.php
similarity index 62%
rename from phpBB/includes/db/mssql-odbc.php
rename to phpBB/includes/db/mssql_odbc.php
index 9fb49837d1..cb2b05c937 100644
--- a/phpBB/includes/db/mssql-odbc.php
+++ b/phpBB/includes/db/mssql_odbc.php
@@ -1,7 +1,7 @@
 <?php
 /** 
 *
-* @package dbal_odbc_mssql
+* @package dbal
 * @version $Id$
 * @copyright (c) 2005 phpBB Group 
 * @license http://opensource.org/licenses/gpl-license.php GNU Public License 
@@ -14,23 +14,16 @@
 if (!defined('SQL_LAYER'))
 {
 
-define('SQL_LAYER', 'mssql-odbc');
+	define('SQL_LAYER', 'mssql_odbc');
+	include($phpbb_root_path . 'includes/db/dbal.' . $phpEx);
 
 /**
-* @package dbal_odbc_mssql
+* @package dbal
 * MSSQL ODBC Database Abstraction Layer for MSSQL
 * Minimum Requirement is Version 2000+
 */
-class sql_db
+class dbal_mssql_odbc extends dbal
 {
-	var $db_connect_id;
-	var $query_result;
-	var $return_on_error = false;
-	var $transaction = false;
-	var $sql_time = 0;
-	var $num_queries = 0;
-	var $open_queries = array();
-
 	var $result_rowset = array();
 	var $field_names = array();
 	var $field_types = array();
@@ -84,16 +77,6 @@ class sql_db
 		return @odbc_close($this->db_connect_id);
 	}
 
-	function sql_return_on_error($fail = false)
-	{
-		$this->return_on_error = $fail;
-	}
-
-	function sql_num_queries()
-	{
-		return $this->num_queries;
-	}
-
 	function sql_transaction($status = 'begin')
 	{
 		switch ($status)
@@ -276,62 +259,6 @@ class sql_db
 		} 
 	}
 
-	// Idea for this from Ikonboard
-	function sql_build_array($query, $assoc_ary = false)
-	{
-		if (!is_array($assoc_ary))
-		{
-			return false;
-		}
-
-		$fields = array();
-		$values = array();
-		if ($query == 'INSERT')
-		{
-			foreach ($assoc_ary as $key => $var)
-			{
-				$fields[] = $key;
-
-				if (is_null($var))
-				{
-					$values[] = 'NULL';
-				}
-				elseif (is_string($var))
-				{
-					$values[] = "'" . $this->sql_escape($var) . "'";
-				}
-				else
-				{
-					$values[] = (is_bool($var)) ? intval($var) : $var;
-				}
-			}
-
-			$query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
-		}
-		else if ($query == 'UPDATE' || $query == 'SELECT')
-		{
-			$values = array();
-			foreach ($assoc_ary as $key => $var)
-			{
-				if (is_null($var))
-				{
-					$values[] = "$key = NULL";
-				}
-				elseif (is_string($var))
-				{
-					$values[] = "$key = '" . $this->sql_escape($var) . "'";
-				}
-				else
-				{
-					$values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
-				}
-			}
-			$query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values);
-		}
-
-		return $query;
-	}
-
 	// Other query methods
 	//
 	// NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
@@ -446,70 +373,23 @@ class sql_db
 		return str_replace("'", "''", str_replace('\\', '\\\\', $msg));
 	}
 
-	function sql_error($sql = '')
+	function db_sql_error()
 	{
-		if (!$this->return_on_error)
-		{
-			$this_page = (isset($_SERVER['PHP_SELF']) && !empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
-			$this_page .= '&' . ((isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : (isset($_ENV['QUERY_STRING']) ? $_ENV['QUERY_STRING'] : ''));
-
-			$message = '<u>SQL ERROR</u> [ ' . SQL_LAYER . ' ]<br /><br />' . @odbc_errormsg() . '<br /><br /><u>CALLING PAGE</u><br /><br />'  . htmlspecialchars($this_page) . (($sql != '') ? '<br /><br /><u>SQL</u><br /><br />' . $sql : '') . '<br />';
-
-			if ($this->transaction)
-			{
-				$this->sql_transaction('rollback');
-			}
-			
-			trigger_error($message, E_USER_ERROR);
-		}
-
-		$result = array(
+		return array(
 			'message'	=> @odbc_errormsg(),
 			'code'		=> @odbc_error()
 		);
-
-		return $result;
 	}
 
-	function sql_report($mode, $query = '')
+	function _sql_report($mode, $query = '')
 	{
-		if (empty($_GET['explain']))
-		{
-			return;
-		}
-
 		global $cache, $starttime, $phpbb_root_path;
 		static $curtime, $query_hold, $html_hold;
 		static $sql_report = '';
 		static $cache_num_queries = 0;
 
-		if (!$query && !empty($query_hold))
-		{
-			$query = $query_hold;
-		}
-
 		switch ($mode)
 		{
-			case 'display':
-				if (!empty($cache))
-				{
-					$cache->unload();
-				}
-				$this->sql_close();
-
-				$mtime = explode(' ', microtime());
-				$totaltime = $mtime[0] + $mtime[1] - $starttime;
-
-				echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8869-1"><meta http-equiv="Content-Style-Type" content="text/css"><link rel="stylesheet" href="' . $phpbb_root_path . 'adm/subSilver.css" type="text/css"><style type="text/css">' . "\n";
-				echo 'th { background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic3.gif\') }' . "\n";
-				echo 'td.cat	{ background-image: url(\'' . $phpbb_root_path . 'adm/images/cellpic1.gif\') }' . "\n";
-				echo '</style><title>' . $msg_title . '</title></head><body>';
-				echo '<table width="100%" cellspacing="0" cellpadding="0" border="0"><tr><td><a href="' . htmlspecialchars(preg_replace('/&explain=([^&]*)/', '', $_SERVER['REQUEST_URI'])) . '"><img src="' . $phpbb_root_path . 'adm/images/header_left.jpg" width="200" height="60" alt="phpBB Logo" title="phpBB Logo" border="0"/></a></td><td width="100%" background="' . $phpbb_root_path . 'adm/images/header_bg.jpg" height="60" align="right" nowrap="nowrap"><span class="maintitle">SQL Report</span> &nbsp; &nbsp; &nbsp;</td></tr></table><br clear="all"/><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td height="40" align="center" valign="middle"><b>Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries} queries" . (($cache_num_queries) ? " + $cache_num_queries " . (($cache_num_queries == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . '</b></td></tr><tr><td align="center" nowrap="nowrap">Time spent on MySQL queries: <b>' . round($this->sql_time, 5) . 's</b> | Time spent on PHP: <b>' . round($totaltime - $this->sql_time, 5) . 's</b></td></tr></table><table width="95%" cellspacing="1" cellpadding="4" border="0" align="center"><tr><td>';
-				echo $sql_report;
-				echo '</td></tr></table><br /></body></html>';
-				exit;
-				break;
-
 			case 'start':
 				$query_hold = $query;
 				$html_hold = '';
@@ -541,35 +421,10 @@ class sql_db
 				@odbc_free_result($result);
 				$cache_num_queries++;
 				break;
-
-			case 'stop':
-				$endtime = explode(' ', microtime());
-				$endtime = $endtime[0] + $endtime[1];
-
-				$sql_report .= '<hr width="100%"/><br /><table class="bg" width="100%" cellspacing="1" cellpadding="4" border="0"><tr><th>Query #' . $this->num_queries . '</th></tr><tr><td class="row1"><textarea style="font-family:\'Courier New\',monospace;width:100%" rows="5">' . preg_replace('/\t(AND|OR)(\W)/', "\$1\$2", htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n", $query))) . '</textarea></td></tr></table> ' . $html_hold . '<p align="center">';
-
-				if ($this->query_result)
-				{
-					if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
-					{
-						$sql_report .= "Affected rows: <b>" . $this->sql_affectedrows($this->query_result) . '</b> | ';
-					}
-					$sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: <b>' . sprintf('%.5f', $endtime - $curtime) . 's</b>';
-				}
-				else
-				{
-					$error = $this->sql_error();
-					$sql_report .= '<b style="color: red">FAILED</b> - ' . SQL_LAYER . ' Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
-				}
-
-				$sql_report .= '</p>';
-
-				$this->sql_time += $endtime - $curtime;
-				break;
 		}
 	}
 
-} // class sql_db
+}
 
 } // if ... define