The slash character (/) at the end of the example executes the PL/SQL. : Introduction « PL SQL Data Types « Oracle PL/SQL Tutorial






  1. Oracle PL/SQL Tutorial
  2. PL SQL Data Types
  3. Introduction
SQL>
SQL> SET ECHO ON
SQL> SET SERVEROUTPUT ON
SQL> DECLARE
  2    age   NATURAL;
  3
  4  BEGIN
  5    age := 10;
  6    DBMS_OUTPUT.PUT_LINE('age:');
  7    DBMS_OUTPUT.PUT_LINE(age);
  8  END;
  9  /
age:
10

PL/SQL procedure successfully completed.

SQL>








21.1.Introduction
21.1.1.Block Structure
21.1.2.Your First PL/SQL Block
21.1.3.The slash character (/) at the end of the example executes the PL/SQL.
21.1.4.You can declare the whole string to be enclosed in quotes by using the construct q'!text!'
21.1.5.All identifiers within the same scope must be unique.
21.1.6.Building Expressions with Operators
21.1.7.PL/SQL datatypes
21.1.8.Variable Naming Rules
21.1.9.Introducing the Main Data type Groups