sqlserver触发器转换成mysql,求教!!
sqlsever触发器代码如下。我刚学mysql,语法不太懂,大神求教啊!怎么改成mysqlcreate trigger per_delete on person
for delete
as
begin
update department
set department.num=(select COUNT(cno) from personnel
where department.sname=personnel.sname)
where department.sname in (select department.sname from deleted)
end
试试 SQLWays 这个工具,或论坛里搜一下
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