時(shí)間:2024-02-05 11:03作者:下載吧人氣:22
本文實(shí)例為大家分享SQL SERVER數(shù)據(jù)庫備份的具體代碼,供大家參考,具體內(nèi)容如下
/**
批量循環(huán)備份用戶數(shù)據(jù)庫,做為數(shù)據(jù)庫遷移臨時(shí)用
*/
SET NOCOUNT ON
DECLARE @d varchar(8)
DECLARE @Backup_Flag NVARCHAR(10)
SET @d=convert(varchar(8),getdate(),112)
/***自定義選擇備份哪些數(shù)據(jù)庫****/
–SET @Backup_Flag=’UserDB’ — 所用的用戶數(shù)據(jù)庫
SET @Backup_Flag=’AlwaysOnDB’ — AlwaysOn 用戶數(shù)據(jù)庫
CREATE TABLE #T (ID INT NOT NULL IDENTITY(1,1),SQLBak NVARCHAR(MAX) NOT NULL)
IF @Backup_Flag=’UserDB’
BEGIN
INSERT INTO #T (SQLBak)
SELECT
‘BACKUP DATABASE [‘ + name + ‘] TO DISK=”E:Backup’ + NAME + ‘_Full_’+@d+’.bak” WITH CHECKSUM,NOFORMAT,INIT,SKIP,COMPRESSION’ AS ‘SQLBak’
FROM sys.databases
WHERE database_id>4
END
IF @Backup_Flag=’AlwaysOnDB’
BEGIN
INSERT INTO #T (SQLBak)
SELECT
‘BACKUP DATABASE [‘ + database_name + ‘] TO DISK=”E:Backup’ + database_name + ‘_Full_’+@d+’.bak” WITH CHECKSUM,NOFORMAT,INIT,SKIP,COMPRESSION’ AS ‘SQLBak’
FROM sys.availability_databases_cluster
END
DECLARE
@Minid INT ,
@Maxid INT ,
@sql VARCHAR(max)
SELECT @Minid = MIN(id) ,
@Maxid = MAX(id)
FROM #T
PRINT N’–打印備份腳本……….’
WHILE @Minid <= @Maxid
BEGIN
SELECT @sql = SQLBak
FROM #T
WHERE id = @Minid
—-exec (@sql)
PRINT ( @sql )
SET @Minid = @Minid + 1
END
DROP TABLE #T
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