Q

Enforcing foreign key constraints across schemas

In Oracle (8i), is it possible to enforce foreign key constraints across schemas (within the same database instance)?
 

Yes, it is possible to have the database enforce a Foreign Key constraint across schemas in the same database instance. To do this, you will need to grant the REFERENCES object privilege to the other schema which will have a foreign key to your schema's table. Something like the following should do the trick:

GRANT references ON my_table TO your_user;

 

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This was first published in April 2003

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