SQLServer批改表字段时进行表连接

SQLServer修改表字段时进行表连接update A set A.XXXXXXXfrom TableA? Ainner join TableB B on B.XXA

SQLServer修改表字段时进行表连接

update A set A.XXX='XXXX'
from TableA? A
inner join TableB B on B.XX=A.XX
where XXXXX