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SqlServer表分区

时间:2015-01-12 16:06:46      阅读:187      评论:0      收藏:0      [点我收藏+]

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 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=NBefore2013,filename=E:\sqlserver\Before20131.ndf,size=5mb,maxsize=100Mb,filegrowth=5mb) to filegroup Before2013;
12 alter database test add file (Name=NT2013,filename=E:\sqlserver\T20131.ndf,size=5mb,maxsize=100Mb,filegrowth=5mb) to filegroup T2013;
13 alter database test add file (Name=NT2014,filename=E:\sqlserver\T20141.ndf,size=5mb,maxsize=100Mb,filegrowth=5mb) to filegroup T2014;
14 alter database test add file (Name=NAfter2014,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

 

SqlServer表分区

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原文地址:http://www.cnblogs.com/yanyd/p/4218518.html

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