merge into 如何应用多个updatemerge into table ausing() b on abwhen matched then update set k1 whe
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
[解决办法]
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
[解决办法]
实在不行就分成多个MERGE来写吧 [解决办法] 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...;