Category: DB2 Basics

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DB2 Basics: What is an Index?

Don’t call them indices in the United States – most American DBAs agree that they are ‘indexes’, though either plural form is grammatically acceptable in American English. Indexes are arguably one of the most important aspects of database design. They’re also something that we can pretty easily change and add to over time. Even overly restrictive vendors tend to allow...

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DB2 Basics: What is an Instance?

I was reviewing my many hundreds of slides that I use when training DBAs, and realized that some of my “Basics” slides might lead to good blog topics. My single most popular blog post ever is “How to Catalog a Database”, which is part of my “Basics” series of slides. While directed at Newbies, I bet any of my more...