When SELF_IS_NULL exception is raised?

126. When SELF_IS_NULL exception is raised?

Errors are raised when dividing by zero is attempted.
When a member method is invoked on an object type, but its instance has not been initialized, this exception is raised.
Error in PL/SQL occurs when memory is exhausted or corrupt.
It is raised when more than one row is returned by a SELECT INTO statement.

Answer: B) When a member method is invoked on an object type, but its instance has not been initialized, this exception is raised.

Explanation:

SELF_IS_NULL exception is raised when a member method is invoked on an object type, but its instance has not been initialized, this exception is raised.

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