When ACCESS_INTO_NULL exception does is raised? - PL/SQL Quiz

PL/SQL - Quiz(MCQ)

When ACCESS_INTO_NULL exception does is raised?

A)

A unique index column with duplicate values is raised when this error occurs.

B)

An automatic assignment of a value to a NULL object raises this exception.

C)

It is raised when more than one row is returned by a SELECT INTO statement.

D)

An invalid username or password is used by a program to connect to a database.

Correct Answer : An automatic assignment of a value to a NULL object raises this exception.

Explanation : ACCESS_INTO_NULL exception is raised when an automatic assignment of a value to a NULL object raises this exception.

Recently Updated in PL/SQL Questions

Which of the following pass parameters can be referenced by procedure?

A)

IN, OUT

B)

IN, INOUT

C)

OUT, INOUT

D)

None of the Above

Correct Answer : IN, INOUT

Explanation : IN and INOUT pass parameters can be reference by procedure.

Which of the following cannot be overwritten by procedure?

A)

IN

B)

OUT

C)

INOUT

D)

None of the above

Correct Answer : IN

Explanation : IN pass parameter cannot be overwritten by procedure.

Which of the following can be performed in PL/SQL Procedure?

A)

Call

B)

Drop

C)

Create

D)

All of the above

Correct Answer : All of the above

Explanation :

In PL/SQL Procedure, the following functions can be performed :

Call

Drop
Create

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