问题
I have an MS SQL Server 2008 Express system which contains a database that I would like to \'copy and rename\' (for testing purposes) but I am unaware of a simple way to achieve this.
I notice that in the R2 version of SQL Server there is a copy database wizard, but sadly I can\'t upgrade.
The database in question is around a gig. I attempted to restore a backup of the database I want to copy into a new database, but with no luck.
回答1:
Install Microsoft SQL Management Studio, which you can download for free from Microsoft's website:
Version 2008
Microsoft SQL Management Studio 2008 is part of SQL Server 2008 Express with Advanced Services
Version 2012
Click download button and check
ENU\x64\SQLManagementStudio_x64_ENU.exeVersion 2014
Click download button and check MgmtStudio
64BIT\SQLManagementStudio_x64_ENU.exeOpen Microsoft SQL Management Studio.
- Backup original database to .BAK file (db -> Task -> Backup).
- Create empty database with new name (clone). Note comments below as this is optional.
- Click to clone database and open restore dialog (see image)
- Select Device and add the backup file from step 3.
- Change destination to test database
- Change location of database files, it must be different from the original. You can type directly into text box, just add postfix. (NOTE: Order is important. Select checkbox, then change the filenames.)
- Check WITH REPLACE and WITH KEEP_REPLICATION
回答2:
Right-click the database to clone, click Tasks, click Copy Database.... Follow the wizard and you're done.
回答3:
You could try to detach the database, copy the files to new names at a command prompt, then attach both DBs.
In SQL:
USE master;
GO
EXEC sp_detach_db
@dbname = N'OriginalDB';
GO
At Command prompt (I've simplified the file paths for the sake of this example):
copy c:\OriginalDB.mdf c:\NewDB.mdf
copy c:\OriginalDB.ldf c:\NewDB.ldf
In SQL again:
USE master;
GO
CREATE DATABASE OriginalDB
ON (FILENAME = 'C:\OriginalDB.mdf'),
(FILENAME = 'C:\OriginalDB.ldf')
FOR ATTACH;
GO
CREATE DATABASE NewDB
ON (FILENAME = 'C:\NewDB.mdf'),
(FILENAME = 'C:\NewDB.ldf')
FOR ATTACH;
GO
回答4:
It turns out that I had attempted to restore from a backup incorrectly.
Initially I created a new database and then attempted to restore the backup here. What I should have done, and what worked in the end, was to bring up the restore dialog and type the name of the new database in the destination field.
So, in short, restoring from a backup did the trick.
Thanks for all the feedback and suggestions guys
回答5:
This is the script I use. A bit tricky but it works. Tested on SQL Server 2012.
DECLARE @backupPath nvarchar(400);
DECLARE @sourceDb nvarchar(50);
DECLARE @sourceDb_log nvarchar(50);
DECLARE @destDb nvarchar(50);
DECLARE @destMdf nvarchar(100);
DECLARE @destLdf nvarchar(100);
DECLARE @sqlServerDbFolder nvarchar(100);
SET @sourceDb = 'db1'
SET @sourceDb_log = @sourceDb + '_log'
SET @backupPath = 'E:\tmp\' + sourceDb + '.bak' --ATTENTION: file must already exist and SQL Server must have access to it
SET @sqlServerDbFolder = 'E:\DB SQL\MSSQL11.MSSQLSERVER\MSSQL\DATA\'
SET @destDb = 'db2'
SET @destMdf = @sqlServerDbFolder + @destDb + '.mdf'
SET @destLdf = @sqlServerDbFolder + @destDb + '_log' + '.ldf'
BACKUP DATABASE @sourceDb TO DISK = @backupPath
RESTORE DATABASE @destDb FROM DISK = @backupPath
WITH REPLACE,
MOVE @sourceDb TO @destMdf,
MOVE @sourceDb_log TO @destLdf
回答6:
Using MS SQL Server 2012, you need to perform 3 basic steps:
First, generate
.sqlfile containing only the structure of the source DB- right click on the source DB and then Tasks then Generate Scripts
- follow the wizard and save the
.sqlfile locally
Second, replace the source DB with the destination one in the
.sqlfile- Right click on the destination file, select New Query and Ctrl-H or (Edit - Find and replace - Quick replace)
Finally, populate with data
- Right click on the destination DB, then select Tasks and Import Data
- Data source drop down set to ".net framework data provider for SQL server" + set the connection string text field under DATA ex:
Data Source=Mehdi\SQLEXPRESS;Initial Catalog=db_test;User ID=sa;Password=sqlrpwrd15 - do the same with the destination
- check the table you want to transfer or check box besides "source: ..." to check all of them
You are done.
回答7:
None of the solutions mentioned here worked for me - I am using SQL Server Management Studio 2014.
Instead I had to uncheck the "Take tail-log backup before restore" checkbox in the "Options" screen: in my version it is checked by default and prevents the Restore operation to be completed. After unchecking it, the Restore operation proceeded without issues.
回答8:
In SQL Server 2008 R2, back-up the database as a file into a folder. Then chose the restore option that appears in the "Database" folder. In the wizard enter the new name that you want in the target database. And choose restore frrom file and use the file you just created. I jsut did it and it was very fast (my DB was small, but still) Pablo.
回答9:
If the database is not very large, you might look at the 'Script Database' commands in SQL Server Management Studio Express, which are in a context menu off the database item itself in the explorer.
You can choose what all to script; you want the objects and the data, of course. You will then save the entire script to a single file. Then you can use that file to re-create the database; just make sure the USE command at the top is set to the proper database.
回答10:
The solution, based on this comment: https://stackoverflow.com/a/22409447/2399045 . Just set settings: DB name, temp folder, db files folder. And after run you will have the copy of DB with Name in "sourceDBName_yyyy-mm-dd" format.
-- Settings --
-- New DB name will have name = sourceDB_yyyy-mm-dd
declare @sourceDbName nvarchar(50) = 'MyDbName';
declare @tmpFolder nvarchar(50) = 'C:\Temp\'
declare @sqlServerDbFolder nvarchar(100) = 'C:\Databases\'
-- Execution --
declare @sourceDbFile nvarchar(50);
declare @sourceDbFileLog nvarchar(50);
declare @destinationDbName nvarchar(50) = @sourceDbName + '_' + (select convert(varchar(10),getdate(), 121))
declare @backupPath nvarchar(400) = @tmpFolder + @destinationDbName + '.bak'
declare @destMdf nvarchar(100) = @sqlServerDbFolder + @destinationDbName + '.mdf'
declare @destLdf nvarchar(100) = @sqlServerDbFolder + @destinationDbName + '_log' + '.ldf'
SET @sourceDbFile = (SELECT top 1 files.name
FROM sys.databases dbs
INNER JOIN sys.master_files files
ON dbs.database_id = files.database_id
WHERE dbs.name = @sourceDbName
AND files.[type] = 0)
SET @sourceDbFileLog = (SELECT top 1 files.name
FROM sys.databases dbs
INNER JOIN sys.master_files files
ON dbs.database_id = files.database_id
WHERE dbs.name = @sourceDbName
AND files.[type] = 1)
BACKUP DATABASE @sourceDbName TO DISK = @backupPath
RESTORE DATABASE @destinationDbName FROM DISK = @backupPath
WITH REPLACE,
MOVE @sourceDbFile TO @destMdf,
MOVE @sourceDbFileLog TO @destLdf
回答11:
You could just create a new database and then go to tasks, import data, and import all the data from the database you want to duplicate to the database you just created.
回答12:
Script based on Joe answer (detach, copy files, attach both).
- Run Managment Studio as Administrator account.
It's not necessary, but maybe access denied error on executing.
- Configure sql server for execute xp_cmdshel
EXEC sp_configure 'show advanced options', 1
GO
RECONFIGURE
GO
EXEC sp_configure 'xp_cmdshell', 1
GO
RECONFIGURE
GO
- Run script, but type your db names in
@dbNameand@copyDBNamevariables before.
USE master;
GO
DECLARE @dbName NVARCHAR(255) = 'Products'
DECLARE @copyDBName NVARCHAR(255) = 'Products_branch'
-- get DB files
CREATE TABLE ##DBFileNames([FileName] NVARCHAR(255))
EXEC('
INSERT INTO ##DBFileNames([FileName])
SELECT [filename] FROM ' + @dbName + '.sys.sysfiles')
-- drop connections
EXEC('ALTER DATABASE ' + @dbName + ' SET OFFLINE WITH ROLLBACK IMMEDIATE')
EXEC('ALTER DATABASE ' + @dbName + ' SET SINGLE_USER')
-- detach
EXEC('EXEC sp_detach_db @dbname = ''' + @dbName + '''')
-- copy files
DECLARE @filename NVARCHAR(255), @path NVARCHAR(255), @ext NVARCHAR(255), @copyFileName NVARCHAR(255), @command NVARCHAR(MAX) = ''
DECLARE
@oldAttachCommand NVARCHAR(MAX) =
'CREATE DATABASE ' + @dbName + ' ON ',
@newAttachCommand NVARCHAR(MAX) =
'CREATE DATABASE ' + @copyDBName + ' ON '
DECLARE curs CURSOR FOR
SELECT [filename] FROM ##DBFileNames
OPEN curs
FETCH NEXT FROM curs INTO @filename
WHILE @@FETCH_STATUS = 0
BEGIN
SET @path = REVERSE(RIGHT(REVERSE(@filename),(LEN(@filename)-CHARINDEX('\', REVERSE(@filename),1))+1))
SET @ext = RIGHT(@filename,4)
SET @copyFileName = @path + @copyDBName + @ext
SET @command = 'EXEC master..xp_cmdshell ''COPY "' + @filename + '" "' + @copyFileName + '"'''
PRINT @command
EXEC(@command);
SET @oldAttachCommand = @oldAttachCommand + '(FILENAME = "' + @filename + '"),'
SET @newAttachCommand = @newAttachCommand + '(FILENAME = "' + @copyFileName + '"),'
FETCH NEXT FROM curs INTO @filename
END
CLOSE curs
DEALLOCATE curs
-- attach
SET @oldAttachCommand = LEFT(@oldAttachCommand, LEN(@oldAttachCommand) - 1) + ' FOR ATTACH'
SET @newAttachCommand = LEFT(@newAttachCommand, LEN(@newAttachCommand) - 1) + ' FOR ATTACH'
-- attach old db
PRINT @oldAttachCommand
EXEC(@oldAttachCommand)
-- attach copy db
PRINT @newAttachCommand
EXEC(@newAttachCommand)
DROP TABLE ##DBFileNames
回答13:
Another way that does the trick by using import/export wizard, first create an empty database, then choose the source which is your server with the source database, and then in the destination choose the same server with the destination database (using the empty database you created at first), then hit finish
It will create all tables and transfer all the data into the new database,
来源：https://stackoverflow.com/questions/3829271/how-can-i-clone-an-sql-server-database-on-the-same-server-in-sql-server-2008-exp