两张表关联更新,更新数据来自另一张表
update sys_menu a
set SORT_NUM=(select b.SORT_NUM from sys_menu_temp b where b.NAME=a.NAME)
where exists (select 1
from sys_menu_temp b
where b.NAME=a.NAME
)
两张表关联更新,更新数据来自另一张表
update sys_menu a
set SORT_NUM=(select b.SORT_NUM from sys_menu_temp b where b.NAME=a.NAME)
where exists (select 1
from sys_menu_temp b
where b.NAME=a.NAME
)