SQL SERVER性能优化 分区表

本文演示了 SQL Server 2008 分区表实例;
1. 创建测试数据库 ；
2.   创建分区函数;
3.   创建分区架构;
4.  创建分区表;
5.  创建分区索引 ;
6.  分区切换 ;
7.  查询哪些表使用了分区表；
-- 作成者   leno
-- 日期: 2009-06-06 23:50:01.700
-- 创建测试数据库
USE master
GO 
IF OBJECT_ID(N'PartitionDataDB') IS NOT NULL
DROP DATABASE PartitionDataDB
GO
CREATE DATABASE PartitionDataDB
ON PRIMARY
(
NAME = N'File_A_H',
FILENAME ='D:\Microsoft\Microsoft SQL Server 2008\MSSQL10.MSSQLSERVER\MSSQL\DATA\PartitionDataDB_AH.mdf'
),
FILEGROUP FileGroup_I_N
(
NAME = N'File_I_N',
FILENAME ='D:\Microsoft\Microsoft SQL Server 2008\MSSQL10.MSSQLSERVER\MSSQL\DATA\PartitionDataDB_IN.mdf'
),
FILEGROUP FileGroup_M_Z
(
NAME = N'File_M_Z',
FILENAME ='D:\Microsoft\Microsoft SQL Server 2008\MSSQL10.MSSQLSERVER\MSSQL\DATA\PartitionDataDB_MZ.mdf'
)
GO
-- 创建分区函数
USE PartitionDataBase;
GO
CREATE PARTITION FUNCTION StaffNameRangePFN(varchar(100))
AS
RANGE LEFT FOR VALUES ('H','M')
GO
-- 创建分区架构
CREATE PARTITION SCHEME StaffNamePScheme
AS
PARTITION StaffNameRangePFN
TO ([PRIMARY], FileGroup_I_N, FileGorup_M_Z)
GO
-- 创建分区表
CREATE TABLE [dbo].[Staff] 
(
[StaffName] [varchar](100) NOT NULL
)
ON StaffNamePScheme ([StaffName])
GO
-- 插入测试数据1
INSERT INTO [dbo].[Staff]
SELECT FirstName from AdventureWorks.Person.Contact
-- 查看结果
SELECT
    $partition.StaffNameRangePFN(StaffName) AS [Partition Number],
    MIN(StaffName) AS [Min StaffName],
    MAX(StaffName) AS [Max StaffName],
    COUNT(StaffName) AS [Rows In Partition]
from dbo.staff AS o
GROUP BY $partition.StaffNameRangePFN(StaffName)
ORDER BY [Partition Number]
/*
1 Abigail Guy 364
2 Hannah Lynn 241
3 Maggie Yvette 395
*/
-- 插入测试数据2
INSERT INTO [dbo].[Staff]
SELECT AddressLine1 from AdventureWorks.Person.Address
-