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I have to pull data from a SQL database table to my DB2 table. If records already exist UPDATE, for new records INSERT, for extra records in destination table DELETE those extra records. Destination table looks exactly like source table. For INSERT/UPDATE I am fine, how do I do DELETE from dest table?
DB2 has a MERGE command. This allows you to write a single SQL statement to do an INSERT, UPDATE and DELETE based on conditions you define. It is a very clean way of doing this.
So what you will do is add an “Execute SQL Task” element to your SSIS package, and add the DB2 merge statement to the task.
See this link (at the bottom are examples) – http://publib.boulder.ibm.com/infocenter/db2luw/v9/index.jsp?topic=%2Fcom.ibm.db2.udb.admin.doc%2Fdoc%2Fr0010873.htm