December 2002
Intermediate to advanced
745 pages
17h 26m
English
book
Oracle® Web Application Programming for PL/SQL® Developers
by Susan Boardman, Melanie Caffrey, Solomon Morse, Benjamin Rosenzweig
Content preview from Oracle® Web Application Programming for PL/SQL® Developers
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Chapter 15. Maintaining State with Cookies and Tables
Chapter Objectives
After this lab, you will learn about:
Cookies are one way for anapplication developer to handle the challenge of preserving state on the Web. State refers to information about the current session— the current state of affairs. Applications that maintain information about the user’s experience are described as stateful, whereas protocols like HTTP are by their nature stateless. Each HTTP request from a browser is a separate transaction with a server.
Cookies allow a developer to get around the stateless nature of the HTTP protocol. Cookies and how they work are ...