ORA-00923: FROM keyword not found where expected解决办法
在完成作业的时候遇到了如下问题：ERROR at line 2:ORA-00923: FROM keyword not found where expected以为是from前多加了一个逗号的原因，去掉逗号后仍报错。发现是别名方法使用错误xxname as xxx或xxname as “xxx”一定是双引号或者不加引号，我这里加的是单引号，故报错。...
