ERP Systems: Learning about Oracle APPS internals II

    In a previous post I mentioned the FND_TABLES & FND _VIEWS as sources that can be used to find more about Oracle APPS internals. The two tables are pretty useful though they don't contain all the tables/views created in Oracle unless they were registered in them. So some of the objects developed for example during the various customization or integration phases might not be found in them, therefore it makes sense to check also ALL_ALL_TABLES & ALL_VIEWS tables, providing all the tables available for a certain schema.

SELECT *
FROM ALL_ALL_TABLES
WHERE OWNER = :OWNER

SELECT *
FROM ALL_VIEWS
WHERE OWNER = :OWNER

    Getting the differences between the two sources it’s pretty easy:

SELECT A.*
FROM ALL_ALL_TABLES A
    LEFT JOIN APPS.FND_TABLES B
        ON A.TABLE_NAME = B.TABLE_NAME
WHERE A.OWNER = :OWNER
AND B.TABLE_NAME IS NULL

    If you are interested on Oracle internals you can find more goodies by querying the Oracle dictionary table:

SELECT *
FROM DICT
WHERE TABLE_NAME LIKE '%VIEW%'

    One of such goodies is the view that stores the list of Materialized views:

SELECT *
FROM DBA_MVIEWS

    PS: I know that these are pretty basic stuff for APPS DBAs though not all of us discovered them from beginning.