News, views, and items of interest on IBM's Db2 database management system and mainframes.
Showing posts with label
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Showing posts with label
primary key
.
Show all posts
Wednesday, December 18, 2019
High Level Db2 Indexing Advice for Large and Small Tables
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In general, creating indexes to support your most frequent and important Db2 SQL queries is a good idea. But the size of the table will be...
Friday, March 04, 2016
The Most Misunderstood Features of DB2 – Part 5: Choosing the Clustering Key
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Hello everybody, and welcome to part 5 in my on-going series where we take a look at The Most Misunderstood Features of DB2. You can find t...
Sunday, September 01, 2013
Top Ten Common SQL Mistakes (with DB2 for z/OS)
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There are many different types of development mistakes that can be made when you are coding a complex application system. But probably the ...
Monday, April 04, 2011
What About Surrogate Keys?
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As is so often the case with my blog, today's topic came about as the result of an e-mail question I received from a DBA I know. His q...
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