Backup of MSSQL database

Create stored procedure.


// Copyright © Microsoft Corporation. All Rights Reserved.
// This code released under the terms of the
// Microsoft Public License (MS-PL, http://opensource.org/licenses/ms-pl.html.)
USE [master]
GO
/****** Object: StoredProcedure [dbo].[sp_BackupDatabases] ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

— =============================================
— Author: Microsoft
— Create date: 2010-02-06
— Description: Backup Databases for SQLExpress
— Parameter1: databaseName
— Parameter2: backupType F=full, D=differential, L=log
— Parameter3: backup file location
— =============================================

CREATE PROCEDURE [dbo].[sp_BackupDatabases]
@databaseName sysname = null,
@backupType CHAR(1),
@backupLocation nvarchar(200)
AS

SET NOCOUNT ON;

DECLARE @DBs TABLE
(
ID int IDENTITY PRIMARY KEY,
DBNAME nvarchar(500)
)

— Pick out only databases which are online in case ALL databases are chosen to be backed up
— If specific database is chosen to be backed up only pick that out from @DBs
INSERT INTO @DBs (DBNAME)
SELECT Name FROM master.sys.databases
where state=0
AND name=@DatabaseName
OR @DatabaseName IS NULL
ORDER BY Name

— Filter out databases which do not need to backed up
IF @backupType=’F’
BEGIN
DELETE @DBs where DBNAME IN (‘tempdb’,’Northwind’,’pubs’,’AdventureWorks’)
END
ELSE IF @backupType=’D’
BEGIN
DELETE @DBs where DBNAME IN (‘tempdb’,’Northwind’,’pubs’,’master’,’AdventureWorks’)
END
ELSE IF @backupType=’L’
BEGIN
DELETE @DBs where DBNAME IN (‘tempdb’,’Northwind’,’pubs’,’master’,’AdventureWorks’)
END
ELSE
BEGIN
RETURN
END

— Declare variables
DECLARE @BackupName varchar(100)
DECLARE @BackupFile varchar(100)
DECLARE @DBNAME varchar(300)
DECLARE @sqlCommand NVARCHAR(1000)
DECLARE @dateTime NVARCHAR(20)
DECLARE @Loop int

— Loop through the databases one by one
SELECT @Loop = min(ID) FROM @DBs

WHILE @Loop IS NOT NULL
BEGIN

— Database Names have to be in [dbname] format since some have – or _ in their name
SET @DBNAME = ‘[‘+(SELECT DBNAME FROM @DBs WHERE ID = @Loop)+’]’

— Set the current date and time n yyyyhhmmss format
SET @dateTime = REPLACE(CONVERT(VARCHAR, GETDATE(),101),’/’,”) + ‘_’ + REPLACE(CONVERT(VARCHAR, GETDATE(),108),’:’,”)

— Create backup filename in path\filename.extension format for full,diff and log backups
IF @backupType = ‘F’
SET @BackupFile = @backupLocation+REPLACE(REPLACE(@DBNAME, ‘[‘,”),’]’,”)+ ‘_FULL_’+ @dateTime+ ‘.BAK’
ELSE IF @backupType = ‘D’
SET @BackupFile = @backupLocation+REPLACE(REPLACE(@DBNAME, ‘[‘,”),’]’,”)+ ‘_DIFF_’+ @dateTime+ ‘.BAK’
ELSE IF @backupType = ‘L’
SET @BackupFile = @backupLocation+REPLACE(REPLACE(@DBNAME, ‘[‘,”),’]’,”)+ ‘_LOG_’+ @dateTime+ ‘.TRN’

— Provide the backup a name for storing in the media
IF @backupType = ‘F’
SET @BackupName = REPLACE(REPLACE(@DBNAME,'[‘,”),’]’,”) +’ full backup for ‘+ @dateTime
IF @backupType = ‘D’
SET @BackupName = REPLACE(REPLACE(@DBNAME,'[‘,”),’]’,”) +’ differential backup for ‘+ @dateTime
IF @backupType = ‘L’
SET @BackupName = REPLACE(REPLACE(@DBNAME,'[‘,”),’]’,”) +’ log backup for ‘+ @dateTime

— Generate the dynamic SQL command to be executed

IF @backupType = ‘F’
BEGIN
SET @sqlCommand = ‘BACKUP DATABASE ‘ +@DBNAME+ ‘ TO DISK = ”’+@BackupFile+ ”’ WITH INIT, NAME= ”’ +@BackupName+”’, NOSKIP, NOFORMAT’
END
IF @backupType = ‘D’
BEGIN
SET @sqlCommand = ‘BACKUP DATABASE ‘ +@DBNAME+ ‘ TO DISK = ”’+@BackupFile+ ”’ WITH DIFFERENTIAL, INIT, NAME= ”’ +@BackupName+”’, NOSKIP, NOFORMAT’
END
IF @backupType = ‘L’
BEGIN
SET @sqlCommand = ‘BACKUP LOG ‘ +@DBNAME+ ‘ TO DISK = ”’+@BackupFile+ ”’ WITH INIT, NAME= ”’ +@BackupName+”’, NOSKIP, NOFORMAT’
END

— Execute the generated SQL command
EXEC(@sqlCommand)

— Goto the next database
SELECT @Loop = min(ID) FROM @DBs where ID>@Loop

END

Backup-MSQSQL.bat

sqlcmd -S .\SQLEXPRESS –E -Q “EXEC sp_BackupDatabases @backupLocation=’D:\SQLBackups\’, @backupType=’F’”

Took from: https://support.microsoft.com/en-us/kb/2019698