David t's Blog – April 2010 Archive (1)

Compare the Rows of Two Tables

You can search the web and find all sorts of SQL query techniques to do this. Therefore, I'm not going to cover those here. Instead, I'm going to focus on two commands built into DB2 and InfoSphere Warehouse. One command compares the contents of two tables (or two query results) and then saves a list of rows that are different between the two. The other command 'repairs' one of the two tables by modifying it based on the differences listed by the first…

Added by david t on April 2, 2010 at 12:30am — 4 Comments

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