Skip to Content
WebObjects® Developer's Guide
book

WebObjects® Developer's Guide

by Ravi Mendis
June 2002
Intermediate to advanced
400 pages
7h 48m
English
Sams
Content preview from WebObjects® Developer's Guide

Altering the Object Model and Database

Open the Forum.eomodeld file from the ForumTest project.

Select the Post.by attribute in EOModeler and reset the width to 10 from 50. Save your changes.

Synchronizing the Model and the Database

For minor changes like the one we've just made, EOModeler has a very convenient tool that allows us to update the database to reflect the changes made to the model.

This enables us to circumvent recreating the tables and the database every time a small change is made. Hence, you don't lose your data.

This tool has its limits, but it's excellent for minor alterations to a model.

Choose Model, Synchronize Schema from the menu.

This will open a panel such as the one in Figure 9.5.

Figure 9.5. Synchronize the Database ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

Real World XML

Real World XML

Steven Holzner
XML Hacks

XML Hacks

Michael Fitzgerald
Java 9 High Performance

Java 9 High Performance

Mayur Ramgir, Nick Samoylov

Publisher Resources

ISBN: 0672323265Purchase book