May 2012
Intermediate to advanced
440 pages
9h 1m
English
Content preview from Oracle Advanced PL/SQL Developer Professional Guide
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PL/SQL packages
Packages are the database objects which behave as libraries and grounds on the principle of encapsulation and data hiding. A package is privileged to contain a variety of constructs such as subprograms, variables, cursors, exceptions, and variables. In addition, it enjoys multiple add-on features such as subprogram overloading, public and private member constructs, and so on.
Note
Standalone subprograms cannot be overloaded. Only packaged subprograms can be overloaded by virtue of their signatures.
The following diagram shows the advantages of a package:
A package has two components—package specification and package body. While package ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.