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sql - Oracle: how to UPSERT (update or insert into a table?) - Stack Overflow
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日期:2025-04-28
None of the answers given so far is safe in the face of concurrent accesses, as pointed out in Tim Sylvester's comment, and will raise exceptions in case of races. To fix that, the insert/update combo must be wrapped in some kind of loop statement, so tha...看更多