An example of an anonymous block. : Introduction « PL SQL Programming « Oracle PL/SQL Tutorial

Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » PL SQL Programming » Introduction

24. 1. 4. An example of an anonymous block.


DECLARE

  hundreds_counter  NUMBER(1,-2);

BEGIN

  hundreds_counter := 100;

  LOOP

    DBMS_OUTPUT.PUT_LINE(hundreds_counter);

     hundreds_counter := hundreds_counter + 100;

   END LOOP;

 EXCEPTION

 WHEN OTHERS THEN

   DBMS_OUTPUT.PUT_LINE('That is as high as you can go.');

END;

/

24. 1. Introduction
	24. 1. 1.	Writing a simple program
	24. 1. 2.	Each complete line of the PL/SQL code must end with a semicolon (;).
	24. 1. 3.	Anonymous Block Structure
	24. 1. 4.	An example of an anonymous block.
	24. 1. 5.	Anonymous blocks can be nested in the procedure and exception blocks in as many levels as you want
	24. 1. 6.	The Lexical Set of Elements
	24. 1. 7.	Delimiters
	24. 1. 8.	Comments
	24. 1. 9.	Multi-line comments start with /* and end with */.
	24. 1. 10.	Declaring variables
	24. 1. 11.	Declaring a Variable by Reference
	24. 1. 12.	There are some restrictions on the declaration of variables:
	24. 1. 13.	Assigning values to variables
	24. 1. 14.	Assign SQL query results to PL/SQL variables
	24. 1. 15.	Literals as variable values
	24. 1. 16.	Examples of Integer and Real Literals
	24. 1. 17.	Numeric literals cannot contain dollar signs or commas, but they can be written in scientific notation
	24. 1. 18.	Character and string literals in the Oracle world are enclosed by single quotes

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