Update PMDB.Create_Database_Backup.sql #8

Original file line number	Diff line number	Diff line change
		@@ -1,78 +1,98 @@
	/*-------------------------------------------------------------------------------+
	\| Purpose: Create a backup of a database
	\| Example: EXEC admin.Create_Database_Backup 'PMDB1_TEST'
	+--------------------------------------------------------------------------------*/
	/*=======================================================================+
	\| Purpose : Create a backup of the specified database
	\| Usage : EXEC admin.Create_Database_Backup @DatabaseName = 'PMDB1_TEST'
	\| Author : Amit Patel (SQL DBA)
	\| Date : [Insert Date]
	\| Notes : Ensure the SQL Server Agent service account has access to
	\| the backup folder path. Customize the path logic as needed.
	+========================================================================*/

	-- SQLCMD mode variables (used if running from SSMS in SQLCMD mode)
		:setvar _server "Server1"
		:setvar _user "*username*"
		:setvar _password "*password*"
		:setvar _database "master"

	-- Connect to the instance
		:connect $(_server) -U $(_user) -P $(_password)

		USE [$(_database)];
		GO

	CREATE PROCEDURE [admin].[Create_Database_Backup]
	IF NOT EXISTS (
	SELECT 1
	FROM sys.schemas
	WHERE name = 'admin'
	)
	BEGIN
	EXEC('CREATE SCHEMA admin');
	END
	GO

	CREATE OR ALTER PROCEDURE [admin].[Create_Database_Backup]
		(
	@DatabaseName VARCHAR(50)
	@DatabaseName SYSNAME
		)
	AS
	AS
		BEGIN
	SET NOCOUNT ON;

	PRINT '====================================================================='
	PRINT 'set the name of the database...'
	PRINT '====================================================================='
	DECLARE @SourceDB VARCHAR(50)
	SET @SourceDB = @DatabaseName --DB_NAME()
	-- Initialize variables
	DECLARE
	@SourceDB SYSNAME = @DatabaseName,
	@BackupUser NVARCHAR(255),
	@DateStamp CHAR(20),
	@TargetPath NVARCHAR(500),
	@BackupFile NVARCHAR(500),
	@SQL NVARCHAR(MAX);

	PRINT '====================================================================='
	PRINT 'get user name...'
	PRINT '====================================================================='
	DECLARE @BackupUser VARCHAR(255)
	SET @BackupUser = (substring(suser_sname(),charindex('\',suser_sname())+(1),len(suser_sname())-charindex('\',suser_sname())))
	PRINT '====================================================================='
	PRINT 'Creating database backup for: ' + @SourceDB
	PRINT '====================================================================='

	PRINT '====================================================================='
	PRINT 'get current date and time...'
	PRINT '====================================================================='
	DECLARE @DateStamp VARCHAR(20)
	SET @DateStamp = '_' + CONVERT(VARCHAR(20),GetDate(),112) + '_' + REPLACE(CONVERT(VARCHAR(20),GetDate(),108),':','')
	-- Extract backup operator's username
	SET @BackupUser = PARSENAME(REPLACE(SUSER_SNAME(), '\', '.'), 1);

	PRINT '====================================================================='
	PRINT 'set database backup path...'
	PRINT '====================================================================='
	DECLARE @TargetPath VARCHAR(255)
	-- TO DO: Standardize the backup folder location for all servers
	IF @@SERVERNAME = 'Server1' SET @TargetPath = 'C:\Temp\'
	-- Generate timestamp
	SET @DateStamp = FORMAT(GETDATE(), 'yyyyMMdd_HHmmss');

	PRINT '====================================================================='
	PRINT 'set the backup file name...'
	PRINT '====================================================================='
	SET @TargetPath = @TargetPath + @SourceDB + @DateStamp + '_' + @BackupUser + '.bak'''
	PRINT @TargetPath
	-- Set default backup path based on server name
	-- TODO: Standardize across environments
	IF @@SERVERNAME = 'Server1'
	SET @TargetPath = 'C:\Temp\';
	ELSE
	SET @TargetPath = 'C:\Backups\'; -- fallback/default

	PRINT '====================================================================='
	PRINT 'backup the database...'
	PRINT '====================================================================='
	IF EXISTS(SELECT NAME FROM sys.databases where name = @SourceDB)
	BEGIN
	DECLARE @BACKUP_SQL VARCHAR(MAX)
	SET @BACKUP_SQL =
	'BACKUP DATABASE ' + @SourceDB + '
	TO DISK = ''' + @TargetPath + '
	WITH FORMAT,
	MEDIANAME = ''' + @BackupUser + ''',
	NAME = ''' + @SourceDB + @DateStamp + ''''
	-- Compose full backup file path
	SET @BackupFile = CONCAT(@TargetPath, @SourceDB, '_', @DateStamp, '_', @BackupUser, '.bak');

	PRINT @BACKUP_SQL
	EXEC (@BACKUP_SQL)
	END
	PRINT '====================================================================='
	PRINT 'Finished!'
	PRINT '====================================================================='
	PRINT 'Backup file path: ' + @BackupFile;

	END
	-- Verify database existence
	IF EXISTS (SELECT 1 FROM sys.databases WHERE name = @SourceDB)
	BEGIN
	SET @SQL = '
	BACKUP DATABASE [' + @SourceDB + ']
	TO DISK = N''' + @BackupFile + '''
	WITH FORMAT,
	INIT,
	NAME = N''' + @SourceDB + '_Full_Backup_' + @DateStamp + ''',
	MEDIANAME = N''' + @BackupUser + ''',
	STATS = 10;
	';

	PRINT 'Executing backup command...';
	PRINT @SQL;
	EXEC (@SQL);
	PRINT 'Backup completed successfully.';
	END
	ELSE
	BEGIN
	RAISERROR('Database "%s" does not exist.', 16, 1, @SourceDB);
	END

	PRINT '====================================================================='
	PRINT 'Backup procedure finished.'
	PRINT '====================================================================='
	END
		GO

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