sql update statement if else的相關文章
oracle sql: update if exists else insert - Stack Overflow

oracle sql: update if exists else insert - Stack Overflow

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日期:2025-12-11
Hi Adrian, I'm just thinking about a case where the UPDATE statement is only valid if the data has not changed since the attempted INSERT, and there are multiple processes performing the inserts and updates. Unless all inserts and updates to the table are...看更多