This appendix provides you with the information needed to use logical and display tables.

It describes the structures of a logical table and a display table, and explains the concept of connecting a display table to a logical table.

Then it describes the functions to access logical tables, and the commands and functions you need to define and use user tables.

Also, it describes the commands and functions you need to define and use display tables.

Finally, there are two examples to show you a typical procedure for defining a logical table and a display table, mapping a display table to a logical table, and using these tables.