Hi
I'm sure someone in the forum will be able to help. I'm looking for a manual or any means that will take me beyond normal sql. I want to see what happens when an SQL command is resolved. I want to know what gets executed first, how, when and where does the sort takes place if necessary.
I want to see step by step what happens when an SQL query,from the simplest one-liner to the most complex query with triple joins, subqueries, unions and whatever else you might throw in there gets executed. I want to get down and dirty with SQL for DB2 on a z/OS mainframe. Can anyone please point me in the right direction. You just have to point, that's all. I'll do all the legwork required.
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