朝秦暮楚这个成语的表意是战国时期，秦楚两个诸侯大国相互对立，经常作战。有的诸侯小国为了自身的利益与安全，时而倾向秦，时而倾向楚。用来比喻人反复无常。
Is it possible to Use cursor in triggers in MySQL? Is it recommended? as someone told me its helpfull to开发者_运维百科 use cursor in triggers for auditing
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