zoukankan      html  css  js  c++  java
  • 数据库名称,逻辑名,文件名完全修改


    SELECT name FROM sys.databases

    /*
    该脚本示例如何完整的修改一个数据库的名称.
    数据为原名称为DB_BEIJING,需要修改成DB_SHANGHAI
    perfectaction 2012.12.19
    */

    --判断是否存在同名的数据库,以防止误删除
    USE master
    GO
    IF EXISTS (SELECT name FROM sys.databases WHERE name = N'BIM')
    BEGIN
    RAISERROR('请注意:数据库已存在!',15,1)
    RETURN
    --DROP DATABASE DB_BEIJING
    END
    GO


    USE master
    GO
    --创建测试数库
    CREATE DATABASE [DB_BEIJING]
    ON PRIMARY
    (
    NAME = N'DB_BEIJING',
    FILENAME = N'c:DATADB_BEIJING.mdf' ,
    SIZE = 3072KB ,
    FILEGROWTH = 1024KB
    )
    LOG ON
    (
    NAME = N'DB_BEIJING_log',
    FILENAME = N'c:LogDB_BEIJING_log.ldf' ,
    SIZE = 1024KB ,
    FILEGROWTH = 1024KB
    )
    GO

    --以下为修改过程

    --step 1 : 修改数据库名称
    USE master
    GO
    ALTER DATABASE DB_BEIJING SET SINGLE_USER WITH ROLLBACK IMMEDIATE
    GO
    EXEC master..sp_renamedb 'DB_BEIJING','DB_SHANGHAI'
    GO
    ALTER DATABASE DB_SHANGHAI SET MULTI_USER
    GO

    --step 2 : 查看修改名称后的数据库逻辑名及物理文件名
    USE master
    GO
    SELECT name AS [Logical Name], physical_name AS [DB File Path],type_desc AS [File Type],
    state_desc AS [State] FROM sys.master_files
    WHERE database_id = DB_ID(N'DB_SHANGHAI')
    GO
    /*
    Logical Name DB File Path File Type State
    DB_BEIJING C:Program FilesMicrosoft SQL ServerMSSQL11.MSSQLSERVERMSSQLDATADB_BEIJING.mdf ROWS ONLINE
    DB_BEIJING_log C:Program FilesMicrosoft SQL ServerMSSQL11.MSSQLSERVERMSSQLDATADB_BEIJING_log.ldf LOG ONLINE
    */

    --step 3 : 修改数据库逻辑文件名称
    USE master
    GO
    ALTER DATABASE DB_SHANGHAI SET SINGLE_USER WITH ROLLBACK IMMEDIATE
    GO
    ALTER DATABASE DB_SHANGHAI MODIFY FILE (NAME=N'DB_BEIJING', NEWNAME=N'DB_SHANGHAI')
    GO
    ALTER DATABASE DB_SHANGHAI MODIFY FILE (NAME=N'DB_BEIJING_log', NEWNAME=N'DB_SHANGHAI_log')
    GO
    ALTER DATABASE DB_SHANGHAI SET MULTI_USER
    GO

    --step 4 : 修改数据库物理文件名称之前先打开xp_cmdshell支持
    USE master
    GO
    sp_configure 'show advanced options',1
    GO
    RECONFIGURE WITH OVERRIDE
    GO
    sp_configure 'xp_cmdshell', 1
    GO
    RECONFIGURE WITH OVERRIDE
    GO

    --step 5 : 重命名数据库物理文件名称
    USE [master]
    GO
    ALTER DATABASE DB_SHANGHAI SET OFFLINE WITH ROLLBACK IMMEDIATE
    GO
    EXEC xp_cmdshell 'RENAME "C:Program FilesMicrosoft SQL ServerMSSQL11.MSSQLSERVERMSSQLDATADB_BEIJING.mdf", "DB_SHANGHAI.mdf"'
    GO
    EXEC xp_cmdshell 'RENAME "C:Program FilesMicrosoft SQL ServerMSSQL11.MSSQLSERVERMSSQLDATADB_BEIJING_log.ldf", "DB_SHANGHAI_log.ldf"'
    GO

    --step 6 : 将数据库逻辑名称指向新的物理文件,并将数据库online
    USE [master]
    GO
    ALTER DATABASE DB_SHANGHAI MODIFY FILE (NAME =DB_SHANGHAI, FILENAME = 'C:Program FilesMicrosoft SQL ServerMSSQL11.MSSQLSERVERMSSQLDATADB_SHANGHAI.mdf')
    GO
    ALTER DATABASE DB_SHANGHAI MODIFY FILE (NAME =DB_SHANGHAI_log, FILENAME = 'C:Program FilesMicrosoft SQL ServerMSSQL11.MSSQLSERVERMSSQLDATADB_SHANGHAI_log.ldf')
    GO
    ALTER DATABASE DB_SHANGHAI SET ONLINE

    --step 7 : 查看全部修改完成后的数据库情况
    USE master
    GO
    SELECT name AS [Logical Name], physical_name AS [DB File Path],type_desc AS [File Type],
    state_desc AS [State] FROM sys.master_files
    WHERE database_id = DB_ID(N'DB_SHANGHAI')
    GO
    /*
    Logical Name DB File Path File Type State
    DB_SHANGHAI C:Program FilesMicrosoft SQL ServerMSSQL11.MSSQLSERVERMSSQLDATADB_SHANGHAI.mdf ROWS ONLINE
    DB_SHANGHAI_log C:Program FilesMicrosoft SQL ServerMSSQL11.MSSQLSERVERMSSQLDATADB_SHANGHAI_log.ldf LOG ONLINE
    */

    --step 8 : 关闭xp_cmdshell支持
    USE master
    GO
    sp_configure 'xp_cmdshell', 0
    GO
    RECONFIGURE WITH OVERRIDE
    GO
    sp_configure 'show advanced options',0
    GO
    RECONFIGURE WITH OVERRIDE
    GO

  • 相关阅读:
    IT项目管理之系统规划
    项目经理感悟之风险管理
    IT项目管理之系统设计
    IT项目管理之系统验收
    IT项目管理之系统测试
    IT项目管理之系统部署
    大中小型项目管理的区别
    算法评测
    IT项目管理那些事儿
    应用算法的实际情况——简单就是美
  • 原文地址:https://www.cnblogs.com/heqianjin/p/5861754.html
Copyright © 2011-2022 走看看