The Db2 Portal Blog

News, views, and items of interest on IBM's Db2 database management system and mainframes.

Friday, February 27, 2015

A Few DB2 Connect Guidelines

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Here are a few guidelines for you to consider as you work to implement and optimize your usage of IBM's DB2 Connect gateway... Co...
Monday, February 16, 2015

Choosing Between DECIMAL and FLOAT Data Types

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DB2 can use both DECIMAL and FLOAT data types to store non-integer numeric data. But the two are not equivalent. In general, use DECIMAL in...
Monday, February 09, 2015

Nulls Cannot Be Ignored!

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NULLs are one of the more controversial things that a DB2 professional has to deal with. And I do mean HAS to deal with.  Because o...
Wednesday, February 04, 2015

Helping Out the DB2 Optimizer Using the VOLATILE Keyword

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Do you know about the VOLATILE keyword? This keyword was added to DB2 for z/OS back in Version 8. It can be specified on a table using eith...
Tuesday, January 20, 2015

Approaches to DB2 Access Path Management

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BIND and REBIND are crucially important components as you attempt to assure efficient DB2 applications. Because the BIND/REBIND process d...
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Craig S. Mullins
Sugar Land, Texas, United States
Craig S. Mullins is a data management strategist, researcher, and consultant. He is president and principal consultant of Mullins Consulting, Inc. and the publisher/editor for The Database Site.

Craig has been named by IBM as a Gold Consultant and an IBM Champion for Analytics. He has been named as one of the Top 200 Thought Leaders in Big Data and Analytics by AnalyticsWeek magazine.

Craig has over three decades of experience in all facets of database systems development and has worked with Db2 since V1. You may know Craig from his popular books: Db2 Developer's Guide (covering IBM's mainframe RDBMS)... A Guide to Db2 Performance for Application Developers (how to write efficient Db2 programs) and... Database Administration: The Complete Guide to DBA Practices and Procedures (a guide to heterogenous DBA).
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