News, views, and items of interest on IBM's Db2 database management system and mainframes.
Tuesday, May 19, 2015
The Importance of Using DB2 Functions
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There are three basic types of built-in functions available to DB2 users: aggregate functions, scalar functions, and table functio...
Tuesday, May 12, 2015
A Trip Report from the 2015 IDUG DB2 Tech Conference
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Last week I attended, and spoke at, the annual North American IDUG DB2 Tech Conference in Philadelphia, PA. As usual, the event was busy an...
Tuesday, April 28, 2015
Controlling Mainframe Software Costs
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Although this blog usually focuses on DB2 issues, I sometimes use it to focus on other IT issues, usually mainframe-related. The primary pur...
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Tuesday, April 21, 2015
SQL Performance Basics: Part 7, Embed the SQL Directly Into Your Programs
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You may recall that this is a subject I've written about before, but I think it is important enough to warrant covering briefly in this ...
Thursday, April 16, 2015
SQL Performance Basics: Part 6, Code Relationally... or Avoid the Flat-File Mentality
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A nother pervasive problem permeating the DB2 development community -- and indeed for most relational DBMSes -- is the “flat file” developm...
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