SYSINFO Views 
The Diagnosis user menu in the DBA Cockpit contains a display of system tables from the SYSINFO schema.
Procedure
Open the DBA Cockpit (transaction DBACOCKPIT) and choose 
Diagnosis 
SYSINFO Views 
.
Caution
For SAP NetWeaver 7.1, the view tables are displayed in the SYSINFO Views user menu.
End of the caution.
Result
A list of SYSINFO system tables and their descriptions is displayed. If system tables have been updated, you can view the System Tables Upgrade log.
More Information
SQL Reference Manual, Definitions of the System Tables, Evaluating System Tables(Examples)