Sqlserver 时间字段批量增加

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）

 

*/