Treasury Of New DB2 6.1 Features, Part 1: Query Enhancements
February 4, 2009 Michael Sansoterra
Once again I am happy to report that IBM has provided us with a wealth of enhancements to DB2 in this monumental V6R1 release. Incidentally, in case you haven’t heard, IBM is now calling our favorite database by the name DB2 for i (formerly known as DB2/400 and DB2 UDB for iSeries) and our favorite OS is called IBM i version 6.1. Now without further ado, I’ll start to rattle off some query enhancements offered in this release.
VALUES in SELECT
The VALUES clause can now be placed within the FROM clause of a SELECT statement or as a derived table result in a FULLSELECT. This means that you can hard-code one or more rows of values to be returned as a table within an SQL statement. Here is a sample SELECT that returns one column with five rows:
Select * From (Values(1),(2),(3),(4),(5)) As Counter_Table (RowNo)
The statement returns the following results: