Are you sure that the "relationships" are only used in the Access GUI? My understanding is that they were true constraints.
I'd recommending building your schemas the "right" way - for "practice" sake and for future robustness of those applications. ----- Original Message ----- From: "Gyrus" <[EMAIL PROTECTED]> To: "CF-Talk" <[EMAIL PROTECTED]> Sent: Wednesday, January 09, 2002 9:31 AM Subject: Defining internal DB relationships necessary? > My only work with databases is through ColdFusion, largely > Access. > > In designing the tables, Access forces you to define a Primary > Key, but I've only ever used the Relationships view where > you define the actual relationships for visualisation purposes. > Most of the sites I've done have been relatively straight- > forward, and even though to start with I made myself draw > up table schemas to get the relationships right, I can usually > just run DB designs off without too much planning now. > > I always saw the relationships defined *in Access* as being > only relevant to people using the DB with a front-end > designed in Access itself. I deal with all constraints and so > on via the CF code, validating forms, etc. > > However, I've just got round to creating tables via SQL, > and studying the syntax for this I've wondered if specifying > constraints, keys, etc., for explicit definition in the structure > of the DB is necessary... > > Is it best to do it, but not essential for small apps with > good form validation? What are the problems involved if > you just create a table with the datatypes and defaults, > no constraints? > > My basic start for learning bits of SQL is Ben Forta's > 'SQL in 10 Minutes', and none of the CREATE TABLE > examples use anything other than datatype and default > definitions. Is this misleading? > > Any comments/advice on this topic welcome! > > - Gyrus > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > - [EMAIL PROTECTED] > work: http://www.tengai.co.uk > play: http://www.norlonto.net > - PGP key available > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > ______________________________________________________________________ Dedicated Windows 2000 Server PIII 800 / 256 MB RAM / 40 GB HD / 20 GB MO/XFER Instant Activation · $99/Month · Free Setup http://www.pennyhost.com/redirect.cfm?adcode=coldfusiona FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Archives: http://www.mail-archive.com/cf-talk@houseoffusion.com/ Unsubscribe: http://www.houseoffusion.com/index.cfm?sidebar=lists
