merge into 如何应用多个update merge into table a
using
() b on a=b
when matched then
update set k=1 where;
update set m=2 where
when not matched then
如何可以让 when matched then 中使用多个update 语句
分享到:更多
------解决方案--------------------
merge into table a
using
() b on a=b
when matched then
update set k=1 , m=2 where;--这样不行么??
when not matched then
------解决方案--------------------
实在不行就分成多个MERGE来写吧 ------解决方案-------------------- merge into table a
using
() b on a=b
when matched then
update set k=(case when a=1 and b=2 then 1 else k end),
m=(case when a=2 and b=1 then 2 else m end) where...;