関連ワード:  ms sql server database backup    ms sql server database backup and restore    microsoft sql server db backup    microsoft sql servers databases backuplongtermretentionpolicies    microsoft sql servers databases backupshorttermretentionpolicies    microsoft sql servers databases backupshorttermretentionpolicies retentiondays    ms sql server backup database script    ms sql server backup database command line    ms sql server backup database copy only    ms sql server 2014 backup database