Some points of interest
1. Check for keywords - Ex: percent, current_time and current_date are keywords in MS SQL and not in ASE
2. Check for column lengths - SQL Server does not truncate if u attempt to insert or update a larger value,instead it errors
3.PB - SQL Server requires DWs to have group by and having clause
4.SQL Server - Order by items must apply in the select list
5.SQL Server doesnt allow aggregate fns in subqueries