24 Questions
What is the purpose of a stored procedure in PL/SQL?
To perform specific tasks
Which section is NOT typically found in the body of a PL/SQL stored procedure?
Print section
What is included in the header of a PL/SQL procedure?
Name of the procedure
In PL/SQL, what are IN parameters used for?
Passing values into the procedure or function
Which of the following is NOT one of the ways to pass parameters in a PL/SQL procedure?
PRINT parameters
What should be present in the body of a PL/SQL stored procedure?
Declaration, execution, and exception sections
What does the 'CREATE OR REPLACE' option in a function syntax allow?
Modifying an existing function
In a function's parameter list, what does the 'IN' mode represent?
Passing a value from outside
What is the purpose of the 'RETURN' clause in a function?
Returning a value from the function
When creating a standalone function, which keyword is used instead of 'IS'?
AS
What is typically contained in the < function_body > of a function?
Executable code
In PL/SQL, what does 'set serveroutput on;' do?
Enables displaying output messages on the server screen
In PL/SQL, what is the main difference between a function and a procedure?
A function must always return a value, while a procedure may or may not return a value.
Which keyword is used in PL/SQL to create or replace a procedure?
CREATE
What output will be displayed by the following PL/SQL code snippet: dbms_output.put_line('Sum of two nos= '|| c);?
Sum of two numbers concatenated with the value of variable c
Which statement correctly drops a PL/SQL procedure named pro1?
DROP PROCEDURE pro1;
What is the purpose of the statement set serveroutput on; in PL/SQL?
To display output in SQL*Plus or SQL Developer
Which data type is used in the parameter a IN number in the PL/SQL procedure Sum?
number
What is the primary advantage of using a stored procedure or function?
Improves database performance
Which statement is true regarding the difference between a stored procedure and a function?
Stored procedures necessarily specify the datatype of the value to return, whereas functions may not.
What does a stored procedure do that a function does not?
Can be called from the function
Which parameter type is specific to functions but not used in stored procedures?
RETURN
What is a key difference between a stored procedure and a function regarding return values?
Functions do not need to specify the datatype for return values, but stored procedures do.
Why are stored procedures and functions important in database management?
They provide reusability and efficiency in code execution.
Test your knowledge of PL/SQL procedures with this quiz. Questions cover topics such as creating procedures, dropping procedures, and understanding syntax. See how well you understand the fundamentals of PL/SQL procedures.
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