When the Data Integration Service pushes transformation logic to relational sources using the native drivers, the Data Integration Service generates SQL statements that use the native database SQL.
The Data Integration Service can push Aggregator, Expression, Filter, Joiner, Sorter, and Union transformation logic to the following native sources:
IBM DB2 for Linux, UNIX, and Windows ("DB2 for LUW")
Microsoft SQL Server. The Data Integration Service can use a native connection to Microsoft SQL Server when the Data Integration Service runs on Windows.
Oracle
The Data Integration Service can push Filter transformation logic to the following native sources: