User Guide

SAP AG November 2002
Data Backups
To ensure safe database operation, it is necessary to back up the data area at regular
intervals.
See: Data Backups [Page
131]
Data Area
The total of all data volumes [Page 130] is called the data area.
In the data area, there must always be sufficient space to hold all the data that arises during
database operation.
Data Backup
In a data backup, the contents of the are backed up. data volume [Page 130]
For the SAP DB database system, we differentiate between the following types of data
backup:
Complete data backup [Page
40]
•
• Incremental data backup [Page
41]
Full and incremental data backups can be carried out in ONLINE
or ADMIN.
operating mode [Page 145]
Data backups are always consistent in themselves. In the case of a recovery, in addition to a
data backup it may be necessary to have the relevant log backups [Page
142] in order to
restore the current state of the database.
Data backups can be carried out in parallel ( ). Parallel Backup [Page 146]
See also:
Backup Strategy [Page
39]
Saving Data Backups [Page 41]
Database Administrator
A database administrator is a with database user class
.
database user [Page 136] DBA [Page
137]
Database Catalog
The database catalog of a database instance [Page 132] consists of metadata in which
definitions of database objects such as Basis tables, view tables, synonyms, value ranges,
indexes, users, and user groups are stored.
User Manual: SAP DB 131