The INIT option appends to the existing backup on a file while the NOINIT option appends to the most recent backup. option that follows the WITH keyword specifies one or more options for the backup.If you store the backup file in a folder, that folder must exist because the statement won’t implicitly create the folder for you. By convention, the extension of the backup is bak. path_to_backup_file is the path to the backup file.The database must exist and work normally on the server. database_name is the name of the database that you want to back up.WITH options Code language: SQL (Structured Query Language) ( sql ) To create a full backup of a database, you use the BACKUP DATABASE statement with the following syntax: BACKUP DATABASE database_name Create a full backup of a database using T-SQL In this picture, the first full backup contains id 1 and the second full backup contains id 1, 2, and 3. The following picture illustrates two full backups: Note that you must perform at least one full backup in order to perform other backup types like differential backups and transaction log backups. For example, you can combine a full backup with transaction log backups. In practice, you’ll use a full backup as a baseline for a more advanced backup strategy. Therefore, you should perform a full backup at a time when the workload is low e.g., at night. When doing a full backup, SQL Server may use a significant amount of disk I/O. It represents the database at the time the backup is completed. The used data pages of every data file.Īlso, a full backup includes part of the transaction log.The metadata of the database such as name, creation date, database options, file paths, and so on. Introduction to SQL Server full backupĪ full database backup backs up the whole database. Summary: in this tutorial, you’ll learn how to create a full backup of a database and restore a database from the full backup.
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