Question

which method should one follow to drop master table if its primary key is referenced by a foriegn key in some other table?

i know about on delete cascade, is there any other way? which is the best practice

Thanks

Answer 1

This DDL statement will blow away a table, dropping any foreign keys which reference it.

drop table your_master_table cascade constraints
/

edit

The above syntax works in Oracle and SQL Server. If you get a syntax error you will need to consult the SQL reference for your flavour of database.