9.2. Referencing Oracle Packages
Each language has syntax for referencing other program units. The C programming language uses an INCLUDE directive to reference header files.
#include <stdio.h> #include <stdlib.h>
Perl scripts call procedures in the Windows32 library with a USE WIN32 directive.
use Win32::Registry; use Win32::OLE;
Java classes import whole packages and package classes.
package project.students; import java.io.*; import java.util.*; import java.sql.*; import oracle.sql.*; import oracle.jdbc.*; import project.util.*;
With each of these environments, it is a task to locate the library code you need and make sure it is in your path. PL/SQL does not require a compiler directive to use other packages. If you want to write PL/SQL ...