Author: Craig Mullins

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

Most DBAs have struggled with the pros and cons of choosing one data type over another. This blog post discusses different situations.

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Craig Mullins' blog post maps out the process for developers who need to retrieve a limited number of qualifying rows from a table.

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The dirty read capability can provide relief to concurrency problems for faster performance. Make sure to understand the implications of the UR isolation level.

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It is important for DB2 DBAs and application programmers to know the four isolation levels and their impact on SQL in order to control concurrency and locking.

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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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