sqlserver 插入多行数据
insert into t (f) select f1 union
select f2 union
select f3 多值插入
select xxx into t2 from t1
update t1 set xx = (select xx from t2 where id=t1.id)
insert into t (f) select f1 union
select f2 union
select f3 多值插入
select xxx into t2 from t1
update t1 set xx = (select xx from t2 where id=t1.id)