SqlServer表分区

 1 create database test;

 2 use test;

 3 

 4 --创建文件组,对文件进行分类管理

 5 alter database test add filegroup Before2013;

 6 alter database test add filegroup T2013;

 7 alter database test add filegroup T2014;

 8 alter database test add filegroup After2014;

 9 

10 --创建文件,并且添加到对应的文件组

11 alter database test add file (Name=N'Before2013',filename='E:\sqlserver\Before20131.ndf',size=5mb,maxsize=100Mb,filegrowth=5mb) to filegroup Before2013;

12 alter database test add file (Name=N'T2013',filename='E:\sqlserver\T20131.ndf',size=5mb,maxsize=100Mb,filegrowth=5mb) to filegroup T2013;

13 alter database test add file (Name=N'T2014',filename='E:\sqlserver\T20141.ndf',size=5mb,maxsize=100Mb,filegrowth=5mb) to filegroup T2014;

14 alter database test add file (Name=N'After2014',filename='E:\sqlserver\After20141.ndf',size=5mb,maxsize=100Mb,filegrowth=5mb) to filegroup After2014;

15 

16 --编写分区函数,以时间为分区依据

17 create partition function RangeTime(datetime) as range left for values('2012-12-31','2013-12-31','2014-12-31');

18 

19 --编写分区方案,与文件组一一对应

20 create partition scheme RangeScheme_createTime as partition RangeTime to (Before2013,T2013,T2014,After2014);

21 

22 --创建分区表,主键最后再定义

23 create table shop(

24  id varchar(50) not null ,

25  name varchar(50),

26  createTime datetime

27 )on RangeScheme_createTime(createTime);

28 

29 --插入测试数据

30 insert into shop values(NEWID(),'test1','2011-04-05');

31 insert into shop values(NEWID(),'test2','2013-04-15');

32 insert into shop values(NEWID(),'test2','2013-04-15');

33 insert into shop values(NEWID(),'test3','2014-04-25');

34 insert into shop values(NEWID(),'test3','2014-04-25');

35 insert into shop values(NEWID(),'test3','2014-04-25');

36 insert into shop values(NEWID(),'test4','2015-04-05');

37 

38 select * from shop;

39 

40 --统计每个分区的数据量

41 select $partition.RangeTime(createTime) as number,COUNT(*) as rcount from shop group by $partition.RangeTime(createTime)

42 --number    rcount

43 --1            1

44 --2            2

45 --3            3

46 --4            1

47 

48 --判断某个时间在哪个分区

49 select $partition.[RangeTime]('2014-12-2') as '分区'

50 --分区

51 --3

52 

53 --查找3分区的数据

54 select * from shop where $partition.Rangetime(createTime)=3

55 --id                                    name    createTime

56 --26A7DBBA-5A3D-43BC-81A9-68311EB724C3    test3    2014-04-25 00:00:00.000

57 --E5D53AB5-DE33-451E-82B9-A5B4268AE5CB    test3    2014-04-25 00:00:00.000

58 --51CABE36-FEBC-41F0-B9AA-A2CF72853220    test3    2014-04-25 00:00:00.000

 

你可能感兴趣的:(sqlserver)