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BI SQL # 152 : SQL Server DBA Scripts : Determine last database backups

Hi Folks,

In this article we are going to cover How to Determine last database backups.

In this post we are going to discuss following points:

  • Problem Statement of SQL Script:
  • Description of SQL Script:
  • SQL Script Output Column
  • SQL Script Code
  • SQL Script Output Screenshot
  • User Level to execute

Problem Statement of SQL Script:

Determine last database backups.

Description of SQL Script:

The script provides information about the last backups.

SQL Script Output Column

image

SQL Script Code

SELECT max(isnull(datediff(dd, b.backup_start_date, getdate()), 
            0)) AS 'Number of Days since last backup'
    ,isnull(b.type, '-') AS 
    'Backup type (D-database,L-log, I-Diff)'
    ,cast(b.backup_size / (1024 * 1024) AS DECIMAL(19, 
            2)) 'Backup Size MB'
    ,d.NAME AS database_name
    ,convert(SYSNAME, DatabasePropertyEx(d.NAME, 'Recovery')) 
    AS Recovery
FROM master..sysdatabases d WITH (NOLOCK)
LEFT JOIN msdb..backupset b WITH (NOLOCK) ON d.NAME = b.
    database_name
    AND b.type = 'D'
    AND b.backup_start_date = (
        SELECT max(backup_start_date)
        FROM msdb..backupset b2
        WHERE b.database_name = b2.database_name
            AND b2.type = 'D'
        )
WHERE d.NAME NOT IN (
        'tempdb'
        ,'model'
        )
GROUP BY d.NAME
    ,isnull(b.type, '-')
    ,b.backup_size

UNION ALL

SELECT max(isnull(datediff(dd, b.backup_start_date, getdate()), 
            0))
    ,isnull(b.type, '-')
    ,cast(b.backup_size / (1024 * 1024) AS DECIMAL(19, 
            2))
    ,d.NAME AS database_name
    ,convert(SYSNAME, DatabasePropertyEx(d.NAME, 'Recovery')) 
    AS Recovery
FROM master..sysdatabases d WITH (NOLOCK)
JOIN msdb..backupset b WITH (NOLOCK) ON d.NAME = b.
    database_name
    AND b.type = 'L'
    AND b.backup_start_date = (
        SELECT max(backup_start_date)
        FROM msdb..backupset b2
        WHERE b.database_name = b2.database_name
            AND b2.type = 'L'
        )
WHERE d.NAME NOT IN (
        'tempdb'
        ,'model'
        )
GROUP BY d.NAME
    ,isnull(b.type, '-')
    ,b.backup_size

UNION ALL

SELECT max(isnull(datediff(dd, b.backup_start_date, getdate()), 
            0))
    ,isnull(b.type, '-')
    ,cast(b.backup_size / (1024 * 1024) AS DECIMAL(19, 
            2))
    ,d.NAME AS database_name
    ,convert(SYSNAME, DatabasePropertyEx(d.NAME, 'Recovery')) 
    AS Recovery
FROM master..sysdatabases d WITH (NOLOCK)
JOIN msdb..backupset b WITH (NOLOCK) ON d.NAME = b.
    database_name
    AND b.type = 'I'
    AND b.backup_start_date = (
        SELECT max(backup_start_date)
        FROM msdb..backupset b2
        WHERE b.database_name = b2.database_name
            AND b2.type = 'I'
        )
WHERE d.NAME NOT IN (
        'tempdb'
        ,'model'
        )
GROUP BY d.NAME
    ,isnull(b.type, '-')
    ,b.backup_size
ORDER BY d.NAME
    ,isnull(b.type, '-') -- optional 
GO

SQL Script Output Screenshot

image

User Level to execute

300

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