Every derived table must have its own alias(sql语句错误解决方法)
1.在做多表查询,或者查询的时候产生新的表的时候会出现这个错误:Everyderivedtablemusthaveitsownalias(每一个派生出来的表都必须有一个自己的别名)。eg:deletefromstockwhere(org_id,material_id,state)in(SELECT*from(selectorg_id,material_id,statefromstockWHEREs