diff --git a/ajax/settings.php b/ajax/settings.php
index ee085a6..eabdfd3 100644
--- a/ajax/settings.php
+++ b/ajax/settings.php
@@ -75,20 +75,40 @@ if(isset($_POST['appname']) && ($_POST['appname'] === 'user_sql') && isset($_POS
                             'data' => array('message' => $l -> t('The selected SQL table '.$_POST['sql_table'].' does not exist!'))));
                 break;
             }
+            if(!empty($_POST['sql_group_table']) && !$helper->verifyTable($parameters, $_POST['sql_driver'], $_POST['sql_group_table']))
+            {
+                $response->setData(array('status' => 'error',
+                            'data' => array('message' => $l -> t('The selected SQL table '.$_POST['sql_group_table'].' does not exist!'))));
+                break;
+            }
             
             // Retrieve all column settings
             $columns = array();
+            $group_columns = array();
             foreach($params as $param)
             {
                 if(strpos($param, 'col_') === 0)
                 {
                     if(isset($_POST[$param]) && $_POST[$param] !== '')
-                        $columns[] = $_POST[$param];
+                    {
+                        if(strpos($param, 'col_group_') === 0)
+                        {
+                            $group_columns[] = $_POST[$param];
+                        }
+                        else
+                        {
+                            $columns[] = $_POST[$param];
+                        }
+                    }
                 }
             }
 
             // Check if the columns exist
             $status = $helper->verifyColumns($parameters, $_POST['sql_driver'], $_POST['sql_table'], $columns);
+            if(!empty($_POST['sql_group_table']) && $status === true)
+            {
+                $status = $helper->verifyColumns($parameters, $_POST['sql_driver'], $_POST['sql_group_table'], $group_columns);
+            }
             if($status !== true)
             {
                 $response->setData(array('status' => 'error',
diff --git a/appinfo/app.php b/appinfo/app.php
index 2617fb9..28ac922 100644
--- a/appinfo/app.php
+++ b/appinfo/app.php
@@ -22,10 +22,13 @@
 */
 
 require_once __DIR__ . '/../user_sql.php';
+require_once __DIR__ . '/../group_sql.php';
 \OCP\App::registerAdmin('user_sql','settings');
 
 $backend = new \OCA\user_sql\OC_USER_SQL;
+$group_backend = new \OCA\user_sql\OC_GROUP_SQL;
 
 
 // register user backend
 \OC_User::useBackend($backend);
+\OC::$server->getGroupManager()->addBackend($group_backend);
diff --git a/appinfo/info.xml b/appinfo/info.xml
index 2b557d1..d2b6911 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -15,5 +15,6 @@
        <category>auth</category>
        <dependencies>
            <nextcloud min-version="12" max-version="12"/>
+           <owncloud min-version="10" max-version="10"/>
        </dependencies>
 </info>
diff --git a/js/settings.js b/js/settings.js
index a77bffb..034cc2e 100644
--- a/js/settings.js
+++ b/js/settings.js
@@ -17,7 +17,7 @@ user_sql.adminSettingsUI = function()
         $('#sqlDiv').tabs();
         
         // Attach auto-completion to all column fields
-        $('#col_username, #col_password, #col_displayname, #col_active, #col_email, #col_gethome').autocomplete({
+        $('#col_username, #col_password, #col_displayname, #col_active, #col_email, #col_gethome, #col_group_name, #col_group_username').autocomplete({
             source: function(request, response)
             {
                 var post = $('#sqlForm').serializeArray();
@@ -56,7 +56,7 @@ user_sql.adminSettingsUI = function()
         });        
         
         // Attach auto-completion to all table fields
-        $('#sql_table').autocomplete({
+        $('#sql_table, #sql_group_table').autocomplete({
             source: function(request, response)
             {
                 var post = $('#sqlForm').serializeArray();
diff --git a/lib/helper.php b/lib/helper.php
index 7a3023f..18177a3 100644
--- a/lib/helper.php
+++ b/lib/helper.php
@@ -64,7 +64,10 @@ class Helper {
             'set_mail_sync_mode',
             'set_enable_gethome',
             'set_gethome_mode',
-            'set_gethome'
+            'set_gethome',
+            'sql_group_table',
+            'col_group_username',
+            'col_group_name'
         );
 
         return $params;
@@ -173,6 +176,18 @@ class Helper {
             case 'mysqlPassword':
                 $query = "SELECT PASSWORD(:pw);";
             break;
+
+            case 'getUserGroups':
+                $query = "SELECT ".$this->settings['col_group_name']." FROM ".$this->settings['sql_group_table']." WHERE ".$this->settings['col_group_username']." = :uid";
+            break;
+
+            case 'getGroups':
+                $query = "SELECT distinct ".$this->settings['col_group_name']." FROM ".$this->settings['sql_group_table'];
+            break;
+
+            case 'getGroupUsers':
+                $query = "SELECT distinct ".$this->settings['col_group_username']." FROM ".$this->settings['sql_group_table']." WHERE ".$this->settings['col_group_name']." = :gid";
+            break;
         }
 
         if(isset($limits['limit']) && $limits['limit'] !== null)
@@ -265,7 +280,7 @@ class Helper {
             if(!in_array($col, $columns, true))
             {
                 $res = false;
-                $err .= $col.' ';
+                $err .= $table.'.'.$col.' ';
             }
         }
         if($res)
@@ -299,13 +314,19 @@ class Helper {
         try {
             $conn = $cm -> getConnection($sql_driver, $parameters);
             $platform = $conn -> getDatabasePlatform();
-            $query = $platform -> getListTablesSQL();
-            $result = $conn -> executeQuery($query);
+
+            $queries = array(
+                'Tables_in_'.$parameters['dbname'] => $platform -> getListTablesSQL(),
+                'TABLE_NAME' => $platform -> getListViewsSQL($parameters['dbname']));
             $ret = array();
-            while($row = $result -> fetch())
+            foreach($queries as $field => $query)
             {
-                $name = $row['Tables_in_'.$parameters['dbname']];
-                $ret[] = $name;
+                $result = $conn -> executeQuery($query);
+                while($row = $result -> fetch())
+                {
+                    $name = $row[$field];
+                    $ret[] = $name;
+                }
             }
             return $ret;
         }
diff --git a/templates/settings.php b/templates/settings.php
index c555c5c..11dd10b 100644
--- a/templates/settings.php
+++ b/templates/settings.php
@@ -20,6 +20,7 @@ $cfgClass = $ocVersion >= 7 ? 'section' : 'personalblock';
       <li><a id="sqlEmailSettings" href="#sql-3"><?php p($l -> t('E-Mail Settings')); ?></a></li>
       <li><a id="sqlDomainSettings" href="#sql-4"><?php p($l -> t('Domain Settings')); ?></a></li>
       <li><a id="sqlGethomeSettings" href="#sql-5"><?php p($l -> t('getHome Settings')); ?></a></li>
+      <li><a id="sqlGroupsSettings" href="#sql-6"><?php p($l -> t('Groups Settings')); ?></a></li>
     </ul>
 
         <fieldset id="sql-1">
@@ -155,6 +156,15 @@ $cfgClass = $ocVersion >= 7 ? 'section' : 'personalblock';
             <em><?php p($l -> t('You can use the placeholders %%u to specify the user ID (before appending the default domain), %%ud to specify the user ID (after appending the default domain) and %%d to specify the default domain')); ?></em></p>
             
         </fieldset>
+        <fieldset id="sql-6">
+            <p><label for="sql_group_table"><?php p($l -> t('Table')); ?></label><input type="text" id="sql_group_table" name="sql_group_table" value="<?php p($_['sql_group_table']); ?>" /></p>
+            
+            <p><label for="col_group_username"><?php p($l -> t('Username Column')); ?></label><input type="text" id="col_group_username" name="col_group_username" value="<?php p($_['col_group_username']); ?>" /></p>
+            
+            <p><label for="col_group_name"><?php p($l -> t('Group Name Column')); ?></label><input type="text" id="col_group_name" name="col_group_name" value="<?php p($_['col_group_name']); ?>" /></p>
+            
+        </fieldset>
+
         <input type="hidden" name="requesttoken" value="<?php p($_['requesttoken']); ?>" id="requesttoken" />
         <input type="hidden" name="appname" value="user_sql" />
         <input id="sqlSubmit" type="submit" value="<?php p($l -> t('Save')); ?>" />