What is difference between primary and secondary key?
What is file based approach?
What is form and report?
What is on delete set null?
What is on delete restrict?
What is primary and foreign key?
What is primary key and foreign key with example?
What is primary key and foreign key?
What is primary key in db?
What is primary key secondary key alternate key candidate key?
What is restrict in sql?
What is secondary key?
What is structural independence and why is it important?
What is the benefit of foreign key?
What is the difference between a query and a report?