A fundamental skill for DBAs is to have a firm understanding of the SQL Server database engine's system databases. Tim Chapman discusses these system databases. A fundamental skill for DBAs is to have ...

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Multiversion concurrency control (MVCC) is a database optimization technique. MVCC creates duplicate copies of records so that data can be safely read and updated at the same time. With MVCC, database ...

"What gets measured gets done." It's an expression often cited by global health advocates, notes World Health Organization official Erin Kenney. And she says it's the reason she's so encouraged by WHO ...