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) Define an attribute to be NOT NULL.
E) Defining a name for the constraint.

Question

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The Answer of 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) Define an attribute to be NOT NULL.
E) Defining a name for the constraint.

Which of the Following Cannot Be Done Using the CONSTRAINT