By Craig S. Mullins
SQL is the lingua franca for modifying and reading database data and any DBA worth his (or her) paycheck should be proficient in writing SQL queries. But SQL is a flexible and feature-rich language, so there are always things that can be learned - even by senior technicians. As such, this month's DBA Corner column discusses several interesting SQL queries that you can put in your bag of tricks for future use.
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