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

 

posted @ 2015-01-12 15:35  Yanyd  阅读(240)  评论(0)    收藏  举报