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QSM-01091: cost based optimizer found query rewrite is more expensive

QSM-01091: cost based optimizer found query rewrite is more expensive
Cause: When cost based optimizer is ON, cost of the rewritten cursor is compared to the cursor generated without query rewrite, and the cheaper one is chosen for execution.
Action: None

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1 个回答

小智
QSM-01091:基于成本的优化器发现查询重写比较贵,
.原因:当基于成本的优化器为ON时,将重写的游标的成本与没有查询重写的生成的游标进行比较,选择较便宜的游标执行。,
.行动:无,
.
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