bitsbas.blogg.se - Sql backup master free edition

The SQL Server service should read and write to the device. Ownership and permission problems on the backup device's physical file can interfere with a backup operation. 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.

As a database increases in size, full database backups take more time to complete and require more storage space.

Backups created by more recent version of SQL Server cannot be restored in earlier versions of SQL Server.įor an overview of, and deeper dive into, backup concepts and tasks, see Backup Overview (SQL Server) before proceeding.

The BACKUP statement isn't allowed in an explicit or implicit transaction.

This topic describes how to create a full database backup in SQL Server using SQL Server Management Studio, Transact-SQL, or PowerShell.įor more information, see SQL Server Backup and Restore with Azure Blob Storage Service and SQL Server Backup to URL.