SQL: If Exists Update Else Insert - Jeremiah Clark's Blog - Site Home - MSDN Blogs

SQL: If Exists Update Else Insert - Jeremiah Clark's Blog - Site Home - MSDN Blogs

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日期:2025-04-29
This is a pretty common situation that comes up when performing database operations. A stored procedure is called and the data needs to be updated if it already exists and inserted if it does not. If we refer to the Books Online documentation, it gives ex...看更多