FULL, DIFF, LOG; cadeia de backups, PITR e retenção.
BACKUP DATABASE MeuDB TO DISK='D:\\bk\\MeuDB_full.bak' WITH CHECKSUM;
BACKUP DATABASE MeuDB TO DISK='D:\\bk\\MeuDB_diff.bak' WITH DIFFERENTIAL;
BACKUP LOG MeuDB TO DISK='D:\\bk\\MeuDB_log.trn';
RESTORE DATABASE MeuDB FROM DISK='...full.bak' WITH NORECOVERY;
RESTORE DATABASE MeuDB FROM DISK='...diff.bak' WITH NORECOVERY;
RESTORE LOG MeuDB FROM DISK='...log.trn' WITH STOPAT='2025-08-28 10:15', RECOVERY;
RESTORE VERIFYONLY FROM DISK='...full.bak';
DBCC CHECKDB('MeuDB');
-- Simular cadeia e PITR.
BACKUP LOG ... a cada 15 min.