Oracle PL/SQL - How To Use "WHILE" Statements

How To Use "WHILE" Statements

Q

How To Use "WHILE" Statements? - Oracle DBA FAQ - Understanding PL/SQL Language Basics

✍: FYIcenter.com

A

If you have a block of codes to be executed repeatedly based a condition, you can use the "WHILE ... LOOP" statement. Here is a sample script on WHILE statements:

DECLARE
  total NUMBER;
BEGIN
  total := 0;
  WHILE total < 10 LOOP
    total := total+1;
  END LOOP;
  DBMS_OUTPUT.PUT_LINE('Total counts: ' || TO_CHAR(total));
END;

This script should print this:

Total counts: 10

2007-04-29, 4393👍, 0💬

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How To Use "WHILE" Statements
How To Use "WHILE" Statements? - Oracle DBA FAQ - Understanding PL/SQL Language Basics If you have a block of codes to be executed repeatedly based a condition, you can use the "WHILE ... LOOP" statement. Here is a sample script on WHILE statements: DECLARE total NUMBER; BEGIN total := 0; WHILE tota... 2007-04-29, 4394👍, 0💬

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What Are the Execution Control Statements? - Oracle DBA FAQ - Understanding PL/SQL Language Basics PL/SQL supports three groups of execution control statements: IF Statements - Conditionally executes a block of statements. CASE Statements - Selectively executes a block of statements. LOOP Statements... 2007-04-30, 4364👍, 0💬

What Is NULL in PL/SQL
What Is NULL in PL/SQL? - Oracle DBA FAQ - Understanding PL/SQL Language Basics NULL is a reserved key word and it stands for two things in PL/SQL: NULL is an executable statement, and means doing nothing. NULL is a data balue, and means no value. The following sample script shows you examples of us... 2007-04-29, 4319👍, 0💬

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