Which constraint can be defined only at the column level?
A.
CHECK
B.
PRIMARY KEY
C.
UNIQUE
D.
FOREIGN KEY
E.
NOT NULL
Which constraint can be defined only at the column level?
Which constraint can be defined only at the column level?
Which constraint can be defined only at the column level?
Which constraint can be defined only at the column level?
A.
CHECK
B.
PRIMARY KEY
C.
UNIQUE
D.
FOREIGN KEY
E.
NOT NULL