我有一个需要更新的表extradata。它需要更新863个不同的帐户。来自大型选择查询的更新表
下面是查询块,它返回并将需要更改的帐号放入临时表中。
是否有一种简单的方法可以通过此查询执行批量更新?
declare @tmp table (number int)
insert into @tmp
select accountid as number from letterrequest
where lettercode in ('97001','70003','19998','91009','20000','99100','19997','70002','99099','91008','97002','97210','97231')
and dateProcessed >= '2013-12-04'
union all
select number from gizmo_requests
where letterCode in (97001,70003,19998,91009,20000,99100,19997,70002,99099,91008,97002,97210,97231)
and dateProcessed >= '2013-12-04'
union all
select number from jm_efiling
where letter in (97001,70003,19998,91009,20000,99100,19997,70002,99099,91008,97002,97210,97231)
and datePrinted >= '2013-12-04'
select distinct * from @tmp
此查询返回863行帐户ID。
update extradata set line4 = 'TEST'
where extracode = 'L3'
and number in @tmp
仅当数字列在上面的临时表中时。
内连接附加码来@tmp? –
“easy”是什么意思?更快或更好的代码? – Shiva
@shiva简单易用,从tmp表更新863。我能想到做这件事的唯一方法是设置一个while循环的痛苦。 –