HSQL support which of the following key constraints?

HSQLDB - Quiz(MCQ)

UNIQUE KEY

PRIMARY KEY

FOREIGN KEY

All of the above

Correct Answer : All of the above

Explanation : HyperSQL supports PRIMARY KEY, UNIQUE, and FOREIGN KEY constraints.

Recently Updated in HSQLDB Questions

____ triggers are only permitted if the trigger is defined on a VIEW?

AFTER

BEFORE

INSTEAD OF

None of the above

Correct Answer : INSTEAD OF

Explanation : INSTEAD OF triggers are only permitted if the trigger is defined on a VIEW.

Access to schema objects is easily controlled by the ____ objects

Role

User

Both (A) and (B)

None of the above

Correct Answer : Both (A) and (B)

Explanation : Access to schema objects is easily controlled by the ROLE and USER objects.

Does HyperSQL supports log4J and JDK logging?

Yes

Can Not Say

None of the above

Correct Answer : Yes

Explanation : HyperSQL supports log4J and JDK logging.

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