Hands on: Understanding SQL queries

Wednesday Dec 31st 2008 by DatabaseJournal.com Staff
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Discover how SQL queries are executed and decide whether to upgrade to SQL Server.

[From Personal Computer World]

All relational databases use SQL (Structured Query Language) to query the data. But when you think about it (and even when you don’t), SQL belongs to an odd class of computer language because it is used to tell the database what to do, but not how to do it.

The article continues at http://www.pcw.co.uk/personal-computer-world/features/2233128/access-areas-4191975

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