PL/SQL

PL/SQL Knowledge Challenge

Test your knowledge of PL/SQL with this engaging quiz! Dive into the world of procedural language extensions for SQL and challenge yourself with a variety of questions that cover key concepts and functionalities.

Whether you're a seasoned developer or just starting out, this quiz is designed to enhance your understanding of PL/SQL.

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6 Questions2 MinutesCreated by CodingMaster432

Which of the following is the correct syntax for creating a VARRAY named grades, which can hold 100 integers, in a PL/SQL block?

TYPE grades IS VARRAY(100) OF INTEGERS;

VARRAY grades IS VARRAY(100) OF INTEGER;

TYPE grades VARRAY(100) OF INTEGER;

TYPE grades IS VARRAY(100) OF INTEGER;

The pre-defined exception CASE_NOT_FOUND is raised when

None of the choices in the WHEN clauses of a CASE statement is selected, and there is no ELSE clause.

PL/SQL has an internal problem.

A cursor fetches value in a variable having incompatible data type.

None of the above.

Which of the following is not a benefit of a database trigger?

Enforcing referential integrity

Event logging and storing information on table access

Allowing invalid transactions

Generating some derived column values automatically

Which of the following is not true about PL/SQL package specifications?

The specification is the interface to the package.

It declares the types, variables, constants, exceptions, cursors, and subprograms that can be referenced from outside the package.

It contains all information about the content of the package and the code for the subprograms.

None of the above.

Which of the following is not true about database transactions?

A database transaction is an atomic unit of work.

It may consist of one or more related SQL statements.

A successfully executed SQL statement and a committed transaction are not same.

None of the above.

PL/SQL

PL/SQL Knowledge Challenge

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