Tutorial by Examples

Packages in PLSQL are a collection of procedures, functions, variables, exceptions, constants, and data structures. Generally the resources in a package are related to each other and accomplish similar tasks. Why Use Packages Modularity Better Performance/ Funtionality Parts of a Package S...

Functions and procedures in packages can be overloaded. The following package TEST has two procedures called print_number, which behave differently depending on parameters they are called with. create or replace package TEST is procedure print_number(p_number in integer); procedure print_numb...

In this example we define a package header and a package body wit a function. After that we are calling a function from the package that return a return value. Package header: CREATE OR REPLACE PACKAGE SkyPkg AS FUNCTION GetSkyColour(vPlanet IN VARCHAR2) RETURN VARCHAR2; ...