March 2012
Intermediate to advanced
442 pages
9h 31m
English
Content preview from IBM DB2 9.7 Advanced Application Developer CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Implementing dynamic SQL in DB2
When an SQL statement or some part of it is not known until the execution time, then these statements are executed dynamically. In the case of dynamic SQL, the statement is compiled at runtime. It also means that the access plan is created at runtime, which can benefit from the latest statistics. When the database manager runs a dynamic SQL or XQuery statement, it creates an access plan based on the current system statistics and current configuration parameters. This access plan might change from one execution of the statements, application program to the other.
Dynamic SQL can be used when:
- A complete SQL statement or some part of it is not known at compile time
- Objects referenced in the SQL statement are not available ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.