Created
March 16, 2018 13:12
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SQL Server - Daily Backups
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| BEGIN | |
| SELECT [name], [recovery_model_desc], sys.fn_hadr_is_primary_replica([name]) as [pr] FROM sys.databases | |
| DECLARE @db VARCHAR(128) | |
| DECLARE @targets TABLE (db varchar(128)) | |
| INSERT INTO @targets (db) VALUES ('MyDB'), ('YourDB') | |
| DECLARE c CURSOR FOR | |
| SELECT [db] FROM @targets | |
| OPEN c | |
| FETCH NEXT FROM c INTO @db | |
| print '@db = ' + @db | |
| WHILE @@FETCH_STATUS = 0 | |
| BEGIN | |
| DECLARE @full VARCHAR(9) = 'Saturday' | |
| DECLARE @path VARCHAR(128) = 'K:\MSSQL\Backup\daily\' | |
| DECLARE @today VARCHAR(9) = datename(w,sysdatetime()) | |
| DECLARE @type VARCHAR(4) = CASE @today WHEN @full THEN 'FULL' ELSE 'DIFF' END | |
| DECLARE @option VARCHAR(128) = CASE @today WHEN @full THEN 'COMPRESSION' ELSE 'DIFFERENTIAL, COMPRESSION' END | |
| DECLARE @filename VARCHAR(128) = @path | |
| + @db | |
| + '_' | |
| + @type | |
| + '_' | |
| + convert(varchar,sysdatetime(), 112) | |
| + '_' | |
| + substring(replace(convert(varchar,sysdatetime(), 114),':',''), 1, 6) | |
| + '.bak' | |
| DECLARE @sql NVARCHAR(512) = 'BACKUP DATABASE ' + @db + ' TO DISK = ''' + @filename + ''' WITH ' + @option | |
| print '@sql = ' + @sql | |
| EXECUTE sp_executesql @sql | |
| DECLARE @retention DATETIME = DATEADD(wk,-2,GETUTCDATE()) | |
| print '@retention = ' + cast(@retention as varchar(max)) | |
| EXEC xp_delete_file 0, @path, 'bak', @retention, 0 | |
| FETCH NEXT FROM c INTO @db | |
| print '@db = ' + @db | |
| print '@@fetch_status = ' + cast(@@fetch_status as varchar(max)) | |
| END | |
| CLOSE c | |
| DEALLOCATE c | |
| END |
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