Author Question: Which of the following cannot be done using the CONSTRAINT phrase? A) Create a single attribute ... (Read 51 times)

bobbysung · **on:** Jul 7, 2018

Which of the following cannot be done using the CONSTRAINT phrase?

A) Create a single attribute primary key.
B) Define a foreign key.
C) Establish a referential integrity constraint.
D) All of the above can be done using the CONSTRAINT phrase.
E) None of the above can be done using the CONSTRAINT phrase.

Question 2

A composite primary key can be defined using the CONSTRAINT phrase in which SQL command?

A) MODIFY TABLE
B) CHANGE TABLE
C) CREATE TABLE
D) SET TABLE
E) BUILD TABLE