diff --git a/src/Config.php b/src/Config.php
index d7c8c96..a1e8bbf 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -14,7 +14,8 @@ class Config
     protected $cluster;
     protected $address;
     protected $port = 3306;
-    protected $properties = [];
+    protected $properties = []; // arbitrary database properties such as name, description, tier, etc
+    protected $arguments = []; // DSN arguments
     protected $fileName;
 
     public function getName()
@@ -138,6 +139,25 @@ public function getProperty($key)
         return $this->properties[$key];
     }
 
+    public function setArgument($key, $value)
+    {
+        $this->arguments[$key] = $value;
+        return $this;
+    }
+
+    public function getArgument($key)
+    {
+        if (!isset($this->arguments[$key])) {
+            return null;
+        }
+        return $this->arguments[$key];
+    }
+
+    public function getArguments()
+    {
+        return $this->arguments;
+    }
+
     public function validate()
     {
         if (!$this->getName()) {
diff --git a/src/Connector.php b/src/Connector.php
index ea4c00d..c9aa7c8 100644
--- a/src/Connector.php
+++ b/src/Connector.php
@@ -23,6 +23,13 @@ public function getConfig($dsn)
             $config->setPassword(parse_url($dsn, PHP_URL_PASS));
             $config->setAddress(parse_url($dsn, PHP_URL_HOST));
             $port = parse_url($dsn, PHP_URL_PORT);
+            $arguments = parse_url($dsn, PHP_URL_QUERY);
+            parse_str($arguments, $arguments); // parse ?x=y&a=b format into k/v array
+
+            foreach ($arguments as $k=>$v) {
+                $config->setArgument($k, $v);
+            }
+
             if ($port) {
                 $config->setPort($port);
             }
@@ -94,6 +101,9 @@ public function getPdoDsn(Config $config, $mode = 'db')
                 break;
             case 'sqlsrv':
                 $pdoDsn .= 'Server=' . $config->getAddress() . ';Database=' . $config->getName();
+                foreach ($config->getArguments() as $k=>$v) {
+                    $pdoDsn .= ';' . $k . '=' . $v;
+                }
                 break;
             default:
                 throw new RuntimeException("Unsupported driver: " . $config->getDriver());