Oracle get foreign keys

Question

I\'d like to get all foreign keys in a schema, like this. Let\'s say I have tables

users(id, username, pass, address_id)

and

addr

Answer 1

They are listed in the system view ALL_CONSTRAINTS

http://download.oracle.com/docs/cd/B19306_01/server.102/b14237/statviews_1037.htm#i1576022

Edit

The columns involved in the constraints are listed in ALL_CONS_COLUMNS

http://download.oracle.com/docs/cd/B19306_01/server.102/b14237/statviews_1035.htm#i1575870