Which four are valid Oracle constraint types? (Choose four.)
A.
CASCADE
B.
UNIQUE
C.
NONUNIQUE
D.
CHECK
E.
PRIMARY KEY
F.
CONSTANT
G.
NOT NULL
Explanation:
Oracle constraint type is Not Null, Check, Primary Key, Foreign Key and
Unique
Incorrect answer:
AIs not Oracle constraint
CIs not Oracle constraint
FIs not Oracle constraint
Refer: Introduction to Oracle9i: SQL, Oracle University Study Guide, 10-3