Information about tables in a database is in the system view SYS.SYSTAB. For more information, see Chapter 8, “System Views” in Reference: Building Blocks, Tables, and Procedures.
You can use Interactive SQL to browse the information in this view. Type the following statement in the dbisql command window to see all the columns in the SYS.SYSTAB view:
SELECT * FROM SYS.SYSTAB
To display system views in Sybase Central, follow the procedure “Showing system objects in a database (Sybase Central)”.