实现使生效_有道手机词典

1.事务通常是通过把一批更改积蓄起来、使之同时生效而实现的。这样做的好处是可以大大提高这些更新的效率。
Transactions are typically implemented by "saving-up" your batch of changes to be applied all at once; this has the nice side effect of drastically improving the efficiency of those updates.
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