Way to execute query in MSD axapta

To execute query in axapta you can try following code

 QueryRun  QR;  
   TestTableTestTable;  
   ;  
   QR = new QueryRun(QueryStr(QR));  
   if (QR.prompt())  
   {  
     while (QR.next())  
     {  
       if (QR.changed(tablenum(TestTable)))  
       {  
         TestTable = QR.get(  
           tablenum(TestTable));  
         info(TestTable.TestId);  
       }  
     }  
   }