Determining Space Information (SAP DB) 
Determining Space Information (SAP DB)
Use
You can determine information about space and space parameters online or use existing statistics.
Prerequisites
You are assigned the SAP DB database administrator role.
Procedure
In the SAP_BC_DB_ADMIN_SAPDB role choose Monitoring ® Database assistant (transaction
DB50 ). The SAP DB: System Monitoring Analysis Screen appears.Choose Database archiving ® Data archiving: Database tables (transaction
DB15 ).Enter an archiving object and then display the corresponding tables (
Displaying Archiving Tables and Objects).Online space: The database system provides you with information about the number of records, the amount of space used, and the date on which statistics were last created.
The system also displays general information about the time and the number of the last archiving session as well as its client–dependence.
Space statistics: The system displays relevant information from the DBSTATTADA and DBSTATIADA SAP tables. These tables are filled by UPDATE STATISTICS sessions planned in the DBA Planning Calendar (transaction
Additional information about a particular table: If you want detailed information about the space and space parameters of a specific table, select the table and choose Online space or Space statistics. Alternatively, you can select a table from the display and then choose Space details.
Result
You can use Archive Administration to activate or plan data archiving.