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MySQL INSERT ON DUPLICATE KEY UPDATE and counters

 | May 29, 2006 |  Posted In: Insight for DBAs

MySQL INSERT ON DUPLICATE KEY UPDATE is very powerful but often forgotten MySQL feature. It was introduced in MySQL 4.1 but I still constantly see people unaware of it. Myself I like this feature big deal because it is designed in truly MySQL style – very efficient solution for frequent task while keeping it beautiful […]

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