Copy backups can’t be used for differential backups and transaction log backups Otherwise, this is the same as a full database backup. This backup type is usually used on an ad-hoc basis and as not to disturb and existing process of database backups, since the transaction log copy-backup will ignore the copy backup. See also: Database Filegroup(s) and Piecemeal restores in SQL ServerĬopy-only. To use file backups to successfully restore a database, the transaction log also has to be backed up to cover all of the file groups from beginning to end. This type of backup will store all related data in files or file groups (one or more). See also: Understanding SQL Server database recovery modelsįile-group and File: This type of backup is best for larger databases. With a transaction log backup, you can restore a database to a particular point in time aka point-in-time recovery, like right before a data loss event This will capture all transaction information, both DML and DDL, that has occurred on the database. This backup type will backup all of the transactions that have occurred since the last log backup or truncation, then it will truncation the transaction log. A differential backup is only useful if used in tandem with a full backup, but allows you to delete/remove previous differential backups as they are redundant A differential backup retains data since the last full backup. This type of backup offers a means to maintain a complete history of your database but without storing redundant data. See also: A walk through the SQL Server 2016 full database backupĭifferential. should also consider transaction log backups Full backups won’t truncate your transaction log but if your database is in full recovery you. With a full backup, you can restore your database to the state, when it was backed up. This is the most common backup type and it includes everything including objects, system tables data, and transactions that occur during the backup. See also: Understanding SQL Server Backup Typesįull. Note: these solutions can also be used in combination with one another In this article, we’ll review the types of backups, recommended practices and three different methods for automatically setting up SQL Server backups on a schedule. But setting up such backups to run effortlessly, is the goal. SQL Server backups are an essential part of every good disaster recovery strategy.
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