update dt_article_attribute_value set end_time = dateadd(mi,30,start_time)
create table tb(dt datetime)
insert into tb values(‘2006-10-10‘)
insert into tb values(‘2006-10-11‘)
insert into tb values(‘2006-10-12‘)
insert into tb values(‘2006-10-13‘)
insert into tb values(‘2006-10-14‘)
insert into tb values(‘2006-10-15‘)
go
--search
select dateadd(yy,1,dt) dt from tb
--update
update tb set dt = dateadd(yy,1,dt)
select * from tb
drop table tb
/*
dt
------------------------------------------------------
2007-10-10 00:00:00.000
2007-10-11 00:00:00.000
2007-10-12 00:00:00.000
2007-10-13 00:00:00.000
2007-10-14 00:00:00.000
2007-10-15 00:00:00.000
（所影响的行数为 6 行）
*/
Sqlserver 时间字段批量增加
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