STOP using union queries in Cognos reports!
This IBM Cognos Analytics 11.2 how to tutorial covers improving Cognos report performance by eliminating union queries. Excessive union queries are the #1 sign of a novice Cognos Analytics developer. They hurt performance and are very difficult to debug. Overcoming this crutch is the key to taking your Cognos report development to the next level.
In this video you'll learn:
Why union queries are so overused
How to use calculations to eliminate nearly all union queries
How data modules make this too easy to believe
Want to see it in blog format? Check out: http://ibmblueview.com/cognos-union-q...
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