Author: Craig Mullins

Craig S. Mullins is working with Datavail and its DB2 practice to expand offerings. He is president and principal consultant at Mullins Consulting, Inc. and the publisher of The Database Site. Mullins has 30 years of experience in all facets of database management and is the author of two books: “DB2 Developer’s Guide” currently in its 6th edition and “Database Administration: The Complete Guide to DBA Practices and Procedures,” the industry’s only guide to heterogeneous DBA.

Consultant at Mullins Consulting, Inc

Craig Mullins

Craig S. Mullins is working with Datavail and its DB2 practice to expand offerings. He is president and principal consultant at Mullins Consulting, Inc. and the publisher of The Database Site. Mullins has 30 years of experience in all facets of database management and is the author of two books: “DB2 Developer’s Guide” currently in its 6th edition and “Database Administration: The Complete Guide to DBA Practices and Procedures,” the industry’s only guide to heterogeneous DBA.

Articles Written by Craig Mullins

Keeping track of database objects and ensuring that each object is created, formatted and maintained properly is the goal of database structure integrity.

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Craig Mullins' blog post takes users through the different approaches to access path management in order to develop strategies on how to REBIND your programs.

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One of the most important areas for tuning DB2 subsystem performance is memory usage. This post shares buffering and memory guidelines for better DB2 performance.

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This blog post discusses costs vs. advantages of converting an existing application from IMS DB to DB2.

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Lock avoidance is a mechanism employed by DB2 for z/OS to access data without locking while maintaining data integrity. Avoiding locks can improve performance.

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There are many types of DBAs and varying job descriptions. Which ones are the most common? Find out here.

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There are many ways to go about structuring your DBA staff. Is it better to hire DBAs with broad skills or more specialized skills? This blog post has some direction.

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The DB2 DISPLAY command is a powerful tool that gathers details about your DB2 subsystems and databases. DBAs should know how to use DISPLAY to simplify their job.

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A reminder about the VOLATILE keyword. It was added in DB2 Version 8 and can be specified on a table using CREATE TABLE and/or ALTER TABLE statements

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Both DB2 for z/OS and DB2 for LUW support the INTERSECT and EXCEPT operations in SQL SELECT statements. They both are similar to UNION in the way in which they work and are coded. But there a differences.

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