Skip to Content
Oracle and PL/SQL Recipes: A Problem-Solution Approach
book

Oracle and PL/SQL Recipes: A Problem-Solution Approach

by Josh Juneau, Matt Arena
December 2010
Intermediate to advanced
451 pages
11h 16m
English
Apress
Content preview from Oracle and PL/SQL Recipes: A Problem-Solution Approach

5-13. Creating a Trigger in a Disabled State

Problem

After a planning meeting, your company has decided that it would be a great idea to create a trigger to send notification of updates to employee salaries. Since the trigger will be tied into the system-wide database application, you want to ensure that it compiles before enabling it so that it will not affect the rest of the application.

Solution

Create a trigger that is in a disabled state by default. This will afford you the opportunity to ensure that the trigger has compiled successfully before you enable it. Use the new DISABLE clause to ensure that your trigger is in DISABLED state by default.

The following trigger sends messages to employees when their salary is changed. The trigger is ...

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

Oracle Database 12c PL/SQL Advanced Programming Techniques

Oracle Database 12c PL/SQL Advanced Programming Techniques

Michael McLaughlin, John Harper
Oracle SQL Recipes: A Problem-Solution Approach

Oracle SQL Recipes: A Problem-Solution Approach

Grant Allen, Bob Bryla, Darl Kuhn

Publisher Resources

ISBN: 9781430232070Purchase book