我有一张四千万的表,需要创建分区,我的执行步骤是创建一个新表,在premary主文件下,根据时间进行分区,
然后把原表中的数据插入到新表中,然后执行更名操作,但是比较耗时,请问一下路过的大神,应该怎么处理,给个处理方案,谢谢!!
代码:
--创建分区函数
CREATE PARTITION FUNCTION changeitem_Fun AS RANGE LEFT FOR VALUES (N'2016-03-31',N'2016-04-31',N'2016-05-31',N'2016-06-31',N'2016-07-31')
--创建分区方案
CREATE PARTITION SCHEME [changeitem_Schema] AS PARTITION [changeitem_Fun] TO ( [PRIMARY],[PRIMARY],[PRIMARY],[PRIMARY],[PRIMARY],[PRIMARY])
CREATE CLUSTERED INDEX [changeitem_20160629] ON changeitem_1
(
time
)WITH (SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING = OFF, ONLINE = OFF) ON changeitem_Schema