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 fun
Whether you're a seasoned developer or just starting out, this quiz is designed to enhance your understanding of PL/SQL.
- Multiple choice questions
- Instant feedback on your answers
- Learn as you go!
Which of the following is not a PL/SQL unit?
Table
Type
Trigger
Package
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.
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