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Update PMDB.Create_Database_Backup.sql #8

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128 changes: 74 additions & 54 deletions PMDB.Create_Database_Backup.sql
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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