SqlServer批量压缩数据库日志-多数据库批量作业,批量备份还原

--作业定时压缩脚本 多库批量操作
DECLARE @DatabaseName NVARCHAR(50)
DECLARE @ExecuteSql NVARCHAR(MAX)
SET @ExecuteSql=''
DECLARE name_cursor CURSOR
FOR
SELECT name FROM  master..sysdatabases WHERE name NOT IN ( 'master', 'model', 'msdb', 'tempdb',
'northwind','pubs' )
OPEN name_cursor;
FETCH NEXT FROM name_cursor INTO @DatabaseName;
WHILE @@FETCH_STATUS = 0
BEGIN
SET @ExecuteSql =''
SET @ExecuteSql +='
USE ['+@DatabaseName+'];
DECLARE @Error INT
SET @Error=(SELECT TOP 1 size/128.0 - CAST(FILEPROPERTY([NAME], ''SpaceUsed'') AS int)/128.0 AS AvailableSpaceInMB FROM sys.database_files ORDER BY [NAME] DESC)
--PRINT @Error

IF(@Error>1)
BEGIN
ALTER DATABASE ['+@DatabaseName+']　　--数据库名字
SET RECOVERY SIMPLE;　　--设置简单恢复模式
DBCC SHRINKFILE ([YiDianTongV2], 1);　　--(M)不能小于1M,
DBCC SHRINKFILE ([YiDianTongV2_log], 1);　　--(M)不能小于1M
ALTER DATABASE ['+@DatabaseName+']
SET RECOVERY FULL;　　--恢复为原来完整模式
END
'
PRINT @ExecuteSql; --打印
EXEC(@ExecuteSql)  --执行
FETCH NEXT FROM name_cursor INTO @DatabaseName;
END;
CLOSE name_cursor;
DEALLOCATE name_cursor;

DECLARE @DatabaseName NVARCHAR(50)
DECLARE @ExecuteSql NVARCHAR(MAX)
SET @ExecuteSql=''
DECLARE name_cursor CURSOR
FOR
SELECT name FROM  master..sysdatabases WHERE name NOT IN ( 'master', 'model', 'msdb', 'tempdb',
'northwind','pubs')  AND name LIKE '%mh%'
OPEN name_cursor;
FETCH NEXT FROM name_cursor INTO @DatabaseName;
WHILE @@FETCH_STATUS = 0
BEGIN
SET @ExecuteSql =''
SET @ExecuteSql ='USE ['+@DatabaseName+'];'
SET @ExecuteSql +='这里换成要执行的sql语句'
PRINT @ExecuteSql; --打印
--EXEC(@ExecuteSql)  --执行
FETCH NEXT FROM name_cursor INTO @DatabaseName;
END;
CLOSE name_cursor;
DEALLOCATE name_cursor;

/************************************************************
* 数据备份脚本：
* 1.运行前，请根据实际配置修改相应账户信息；
* 2.请将脚本执行结果另存为批处理文件，执行批处理文件即可；
************************************************************/

DECLARE @name        NVARCHAR(200)
DECLARE @path        NVARCHAR(500)
DECLARE @dbServer    NVARCHAR(500)
DECLARE @dbUserName  NVARCHAR(500)
DECLARE @dbUserPwd   NVARCHAR(500)
--备份文件存放路径
SET @path = 'E:\05_DataBase_bakup\'
--数据库服务器
SET @dbServer = '.'
--数据库用户名
SET @dbUserName = 'sa'
--数据库用户密码
SET @dbUserPwd = '123'
DECLARE cursors CURSOR
FOR
--查询集合
SELECT [name]
FROM   [sysdatabases]
WHERE  NAME NOT IN ('master', 'tempdb', 'model', 'msdb')

OPEN cursors
FETCH NEXT FROM cursors INTO @name
WHILE @@fetch_status = 0
BEGIN
--遍历集合
PRINT 'osql -S ' + @dbServer + ' -U ' + @dbUserName + ' -P ' + @dbUserPwd +
' -Q "BACKUP DATABASE ['
+ @name + '] TO DISK = ''' + @path +
'[%date:~0,4%%date:~5,2%%date:~8,2%]' + @name + '.bak''"'
FETCH NEXT FROM cursors INTO @name
END
CLOSE cursors
DEALLOCATE cursors

/************************************************************
* 生成批量还原数据库脚本
************************************************************/
DECLARE @name         NVARCHAR(200)
DECLARE @fileName     NVARCHAR(200)
DECLARE @path         NVARCHAR(500)
DECLARE @restorePath  NVARCHAR(500)
DECLARE @dbServer     NVARCHAR(500)
DECLARE @dbUserName   NVARCHAR(500)
DECLARE @dbUserPwd    NVARCHAR(500)
--数据库备份文件存放路径
SET @path = 'E:\05_DataBase_bakup\'
--数据库还原后的文件存放路径
SET @restorePath = 'E:\db2008\'
--还原到的数据库服务器
SET @dbServer = '192.168.0.7,1501\SQL2008'
--还原到的数据库用户名
SET @dbUserName = 'netuser'
--还原到的数据库用户密码
SET @dbUserPwd = 'netuser2008'
DECLARE cursors     CURSOR
FOR
--查询集合
--注意：这里将数据库文件的物理路径替换掉了一部分，只保留数据库名称
SELECT [name],
REPLACE  (REPLACE(FILENAME, 'E:\01.数据库\', ''), '.mdf', '') AS
[fileName]
FROM   [sysdatabases]
WHERE  NAME NOT IN ('master', 'tempdb', 'model', 'msdb')

OPEN cursors
FETCH NEXT FROM cursors INTO @name,@fileName
WHILE @@fetch_status = 0
BEGIN
--遍历集合
PRINT 'osql -S ' + @dbServer + ' -U ' + @dbUserName + ' -P ' + @dbUserPwd +
' -Q "RESTORE DATABASE [' + @name + '] FROM DISK = ''' + @path + @name +
'.bak'' WITH  FILE = 1,  MOVE N''' + @fileName + ''' TO N''' + @restorePath
+ @name
+ '.mdf'',  MOVE N''' + @fileName + '_log'' TO N''' + @restorePath + @name +
'.LDF'', NOUNLOAD,  REPLACE,STATS = 10'
FETCH NEXT FROM cursors INTO @name,@fileName
END
CLOSE cursors
DEALLOCATE cursors