Download sql backup master1/8/2023 PermissionsīACKUP DATABASE and BACKUP LOG permissions default to members of the sysadmin fixed server role and the db_owner and db_backupoperator fixed database roles. You can still restore backups created with passwords. For information about how to set TRUSTWORTHY to ON, see ALTER DATABASE SET Options (Transact-SQL).īeginning with SQL Server 2012 (11.x), the PASSWORD and MEDIAPASSWORD options are no longer available for creating backups. TRUSTWORTHY is set to OFF on a database backup. For more information, see Trace Flags (Transact-SQL). In such cases, you can suppress these backup log entries by using trace flag 3226 if none of your scripts depend on those entries. If you back up frequently, success messages will accumulate quickly, resulting in huge error logs, making finding other messages difficult. By default, every successful backup operation adds an entry in the SQL Server error log and in the system event log. Estimate the size of a full database backup by using the sp_spaceused system stored procedure.For large databases, consider supplementing full database backups with a series of differential database backups.
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