Using the system table VIEWDEFS, you can determine the following database information, among other things:
Text that was
entered for the definition of your own view table MYVIEW
SELECT
definition
FROM DOMAIN.VIEWDEFS
WHERE owner = user
AND viewname = 'MYVIEW'
Only the owner of a view table can select the definition. No output is provided for any other users.
All view tables: see VIEWS
Existence of a view table: see TABLES
Tables and columns forming the basis for a view table: see VIEWCOLUMNS