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Playing with cardinality and selectivity on predicates is not a common trick, though Joe Geller, David Simpson and Tony Andrews demystify it so that you can start playing with its intricacies and give a boost to the Optimizer.
Recent releases of Db2 have introduced new SQL functionality that improves the functionality and productivity of application developers. But the DBA can also take advantage of some of the “new” Db2 SQL to improve their own productivity.
How DevOps forms the DBA work? Is it an answer to a DBA's laziness? Should a DBA jump on the DevOps bandwagon? To find answers to these questions and much more, learn in our latest article!
With Db2 Version 11.5 the journey has begun to make log space management more autonomic. Reduce your likelihood of hitting transaction log full conditions with Advanced Log Space Management (ALSM), which is a technology preview and not supported for production environments until further notice.