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SQL Server: Best way to Update row if exists, Insert if not

SQL Server: Best way to Update row if exists, Insert if not

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日期:2025-09-14
re: SQL Server: Best way to Update row if exists, Insert if not In my opinion using EXISTS the way you are, is totally flawed on highly concurrent scenarios. Assume two connections; One is sending that code at the "same time" than the other is s...看更多