Posted By

thadwheeler on 05/17/09

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Last Edited at 05/17/09 08:47pm

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Duplicate SQL Server Database

/ Published in: SQL

replace paths and database names as needed
MY_DB_HERE
PATH_ON_SERVER
NEW_DB_NAME

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USE master
GO

-- the original database (use 'SET @DB = NULL' to disable backup)
DECLARE @DB varchar(200)
SET @DB = 'MY_DB_NAME'

-- the backup filename
DECLARE @BackupFile varchar(2000)
SET @BackupFile = 'PATH_ON_SERVER'

-- the new database name
DECLARE @TestDB varchar(200)
SET @TestDB = 'NEW_DB_NAME'

-- the new database files without .mdf/.ldf
DECLARE @RestoreFile varchar(2000)
SET @RestoreFile = 'PATH_ON_SERVER'

-- ****************************************************************
-- no change below this line
-- ****************************************************************

DECLARE @query varchar(2000)

DECLARE @DataFile varchar(2000)
SET @DataFile = @RestoreFile + '.mdf'

DECLARE @LogFile varchar(2000)
SET @LogFile = @RestoreFile + '.ldf'

IF @DB IS NOT NULL
BEGIN

SET @query = 'BACKUP DATABASE ' + @DB + ' TO DISK = ' + QUOTENAME(@BackupFile, '''')
EXEC (@query)

END

-- RESTORE FILELISTONLY FROM DISK = 'C:\temp\backup.dat'
-- RESTORE HEADERONLY FROM DISK = 'C:\temp\backup.dat'
-- RESTORE LABELONLY FROM DISK = 'C:\temp\backup.dat'
-- RESTORE VERIFYONLY FROM DISK = 'C:\temp\backup.dat'

IF EXISTS(SELECT * FROM sysdatabases WHERE name = @TestDB)
BEGIN

SET @query = 'DROP DATABASE ' + @TestDB
EXEC (@query)

END

RESTORE HEADERONLY FROM DISK = @BackupFile
DECLARE @File int
SET @File = @@ROWCOUNT

DECLARE @Data varchar(500)
DECLARE @Log varchar(500)

SET @query = 'RESTORE FILELISTONLY FROM DISK = ' + QUOTENAME(@BackupFile , '''')

CREATE TABLE #restoretemp
(
LogicalName varchar(500),
PhysicalName varchar(500),
type varchar(10),
FilegroupName varchar(200),
size int,
maxsize bigint
)

INSERT #restoretemp EXEC (@query)
SELECT @Data = LogicalName FROM #restoretemp WHERE type = 'D'
SELECT @Log = LogicalName FROM #restoretemp WHERE type = 'L'

PRINT @Data
PRINT @Log

TRUNCATE TABLE #restoretemp
DROP TABLE #restoretemp

IF @File > 0
BEGIN
SET @query = 'RESTORE DATABASE ' + @TestDB + ' FROM DISK = ' + QUOTENAME(@BackupFile, '''') +
' WITH MOVE ' + QUOTENAME(@Data, '''') + ' TO ' + QUOTENAME(@DataFile, '''') + ', MOVE ' +
QUOTENAME(@Log, '''') + ' TO ' + QUOTENAME(@LogFile, '''') + ', FILE = ' + CONVERT(varchar, @File)

EXEC (@query)

END

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