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stonehuang
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如何清除table class中的如下语法:::
我在table class中设置外键:ALTER TABLE "CLASS" ADD CONSTRAINT "MONITOR" FOREIGN KEY ("MONITOR") REFERENCES STUDENT ("ID");
如何将它消除掉呢,我用drop语句不管用,老是报错!!!!
我在table class中设置外键:ALTER TABLE "CLASS" ADD CONSTRAINT "MONITOR" FOREIGN KEY ("MONITOR") REFERENCES STUDENT ("ID");
如何将它消除掉呢,我用drop语句不管用,老是报错!!!!