ORA-02449: unique or primary keys in table referenced by foreign keys

ORA-02449: unique or primary keys in table referenced by foreign keys

Cause: An attempt was made to drop a table with unique or primary keys referenced by foreign keys in another table.

Action: Before performing the above operations the table, drop the foreign key constraints in other tables. You can see what constraints are referencing a table by issuing the following command: SELECT * FROM USER_CONSTRAINTS WHERE TABLE_NAME = tabnam ;