zoukankan      html  css  js  c++  java
  • How to backup log after MDB file broken.

    CREATE DATABASE BackupDemo
    GO
    USE BackupDemo
    GO
    CREATE TABLE dbo.T1
    (
        LogDesc NVARCHAR(200),
        LogTime DATETIME DEFAULT GETDATE()
    )
    GO
    INSERT INTO dbo.T1(LogDesc)
    SELECT 'Before full backup'
    GO
    BACKUP DATABASE [BackupDemo] TO  DISK = N'I:\Backup\BackupDemo_Full.bak' 
    WITH NOFORMAT, NOINIT,  NAME = N'BackupDemo-Full Database Backup', SKIP, NOREWIND, NOUNLOAD,  STATS = 10
    GO
    INSERT INTO dbo.T1(LogDesc)
    SELECT 'after full backup'
    GO
    --Stop SQL SERVER AND Delete the mdb file and restart SQL SERVER
    GO
    --备份为日志,一定要使用NO_TRUNCATE,否则无法备份
    BACKUP LOG [BackupDemo] TO  DISK = N'I:\Backup\BackupDemo_LOG.bak' 
    WITH NOFORMAT, NOINIT,NO_TRUNCATE
    GO
    --恢复数据库
    RESTORE DATABASE [BackupDemo] FROM  DISK = N'I:\Backup\BackupDemo_Full.bak' WITH  FILE = 1,  NORECOVERY,  NOUNLOAD,  STATS = 10
    GO
    RESTORE LOG [BackupDemo] FROM  DISK = N'I:\Backup\BackupDemo_LOG.bak' WITH  FILE = 1,  NOUNLOAD,  STATS = 10
    GO
    --检查数据库
    USE BackupDemo
    GO
    SELECT * from dbo.T1

    在实例和数据库发生崩溃时:

    1.将数据库相关文件复制保存,以防止后续错误修改损坏文件;

    2.在新服务器上创建同名数据库(确保文件名与原文件名相同),关闭服务器,删除数据文件(MDF),将原有LDF文件覆盖新创建的日志文件,重启服务器

    3.使用NO_TRUNCATE来备份尾日志文件。

    4.使用原有备份文件和尾日志文件还原数据库。

  • 相关阅读:
    vue-Prop
    C#四舍五入的方法
    设计模式-建造者模式
    vue-解决Vue打包上线之后部分CSS不生效的问题
    vue项目兼容IE浏览器
    html-box-sizing
    MSSQLSERVER执行计划详解
    white-space和word-wrap和word-break所表示的换行和不换行的区别
    JS设置cookie、读取cookie、删除cookie
    windows7 telnet服务开启和登录授权
  • 原文地址:https://www.cnblogs.com/TeyGao/p/2731482.html
Copyright © 2011-2022 走看看