To add a primary key after creating a table, you can use the ____________________ clause of the ALTER TABLE command.

In an OpenOffice Base database, a(n) ________ is where related data is stored

Fill in the blank(s) with correct word

When considering data in a database, the ________ principle means that if inaccurate data is entered into the database, then the output will be inaccurate

A) LIFO B) GIGO C) FILO D) FIFO