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I'm working on an instead of trigger program and I'm looking for a way to
programmatically determine which table/column is used by a view/column.

Example:
CREATE TABLE A (ACOL CHAR(1), AKEY CHAR(1)) ;
CREATE TABLE B (BCOL CHAR(1), BKEY CHAR(1)) ;
CREATE VIEW V (COL1,COL2) AS SELECT ACOL,BCOL FROM A JOIN B ON AKEY=BKEY;

So, in my program, I need to update ACOL in A when COL1 in V is updated.
Is there an API, system catalog view, someway to retrieve this map so I
don't have to hard code it?



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