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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Using CUR_COMMIT concurrency control isolation level
DB2 9.7 introduces a new isolation level called Currently Committed (CC) , wherein readers don't block writers, and writers don't block readers. In earlier versions of DB2, there were chances that a reader would block a writer and a writer would block a reader.
The isolation level currently committed will be set at the database level using the CUR_COMMIT parameter. When one creates a database on DB2 9.7, by default, CUR_COMMIT will be ON, and in case if one migrates the database from an older version on to DB2 9.7, one has to update the configuration parameter explicitly.
Getting ready
To update the database configuration parameter CUR_COMMIT, one should have the SYSADM or the DBADM privilege. ...
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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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