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Is it better to use a single TIMESTAMP column or two columns, one DATE and the other TIME? Craig Mullins advises in latest blog post.
Datavail consultant Craig Mullins blog on Null Follow-up.
Understanding what nulls are, and how best to use them, can help you to create usable db2 databases and design useful and correct queries in your db2 applications.
How do organizations manage their database infrastructure? Craig Mullins takes on db2 best practices in new blog post.
As with most Db2 (and, indeed, IT) issues, the correct answer is "it depends!" Let's dig a bit deeper to explain what I mean.
CASE statements are very powerful and you should use them when you can to create elegant and optimal SQL in your DB2 applications.
Most DBAs have struggled with the pros and cons of choosing one data type over another. This blog post discusses different situations.
Craig Mullins' blog post maps out the process for developers who need to retrieve a limited number of qualifying rows from a table.
The dirty read capability can provide relief to concurrency problems for faster performance. Make sure to understand the implications of the UR isolation level.