The old table transition table holds the original state of the affected rows before they are processed by the UPDATE or DELETE statement.

OLDTABLE过渡表保存了受影响的行在被update或delete语句处理之前的初始状态。

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The old table transition table holds the original state of the affected rows before they are processed by the UPDATE or DELETE statement.

OLDTABLE过渡表保存了受影响的行在被update或delete语句处理之前的初始状态。

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