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On May 2, 2006 IBM announced the beta for the next version of mainframe DB2: namely, DB2 V9.1 for z/OS. You can view the announcement here ....
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DB2 9 for z/OS offers, for the first time, the ability to create an index on data that is not technically in the table. At this point, you m...
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Answering a question I got via e-mail on indexing... Every now and then I take the opportunity to blog about a question I get through e-...
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When a row is read or modified in a table containing LOB columns, the application will obtain a normal transaction lock on the base table. T... -
Understand the Business, Not Just the Technology Remember that being technologically adept is just a part of being a good DBA. Although tech...
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Over the years I have gathered, written, and assimilated multiple collections of general rules of the road that apply to the management disc...
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If you've been working with mainframes for any period of time you have almost certainly become familiar with the IBM redbook. These are ...
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I received an e-mail from a reader asking an interesting question. She wanted to know if any of the DB2 unload utilities are able to include...
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Many shops battle with locking issues and frequently, the cause of performance issues can be traced back to locking issues, more specificall...
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Welcome back to my blog as I continue our examination of the new features of DB2 9 for z/OS. Today we will look at the new UPDATE SCHEMA cap...