In most cases, you have no control over the heuristics the database engine USES for choosing when to escalate the locking level.

在多数情况下，您无法控制数据引擎用于选择何时升级锁级别的启发方法。

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This does not mean that all tuples up to 150,000,000 will be stored in the cache as other heuristics are also considered by the engine.

这并不意味着所有达到150,000,000的元组都将存储在缓存，因为其他探试程序也是该引擎所考虑的。

youdao

This does not mean that all tuples up to 150,000,000 will be stored in the cache as other heuristics are also considered by the engine.

这并不意味着所有达到150,000,000的元组都将存储在缓存，因为其他探试程序也是该引擎所考虑的。

youdao