×
The internal search function is temporarily non-functional. The current search engine is no longer viable and we are researching alternatives.
As a stop gap measure, we are using Google's custom search engine service.
If you know of an easy to use, open source, search engine ... please contact support@midrange.com.
Up until now I've been content with coding RI constraints in DB I/O modules. For example:
http://www.radile.com/rdweb/temp/sscd100db.txt
However, this week we've been cleaning up a mess in our database that was caused by our failing to implement an RI constraint in one of our programs. One might ask, where were our QA procedures? While that's a valid concern, the problem could have also been prevented if we added a step to our development process to define RI constraints using DDL or ADDPFCST whenever we add new tables to our database? We're adding new tables every month!
I suppose that one pro for using DB defined constraints is that you use a fairly simple declarative syntax as opposed to program logic. While we generally limit DB inserts and updates to a single RPG I/O module per table, I suppose that another pro for DB defined constraints is that they apply to any other interface that shops may chose to update the DB.
What about other pros and cons?
-Nathan
This mailing list archive is Copyright 1997-2025 by midrange.com and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact
[javascript protected email address].
Operating expenses for this site are earned using the Amazon Associate program and Google Adsense.
midrange.com
