Re: trouble updating records in database
This WebDNA talk-list message is from 1998
It keeps the original formatting.
numero = 19062
interpreted = N
texte = >>Ken Grome: >>The WebDNA programmer, not the software, should perform a check for the >>existence of the duplicate SKU... > At 10:05 Uhr 24.07.1998, Charles Kefauver wrote: >Sure, but it is more work, and the programmer must remember to do so in >each new proyect. In all other Database systems, when you flag a field as >being unique, the underlying database makes sure it is unique. Every >database I have even seen that uses unique fields (and I have seen many) >does this automatically.This is right, but not usable under some circumstances. Most databases are for client/server and not for web. Take 4D for example: if you flag a field as unique then an error message will pop up to warn the user. Fine for a dedicated database client, but if you do not catch this situation in your web-application, the popup would be shown on the webserver! Therefore I agree with Ken - it is more secure when the programmer decides what is unique and what is not. Peter__________________________________________ Peter Ostry - po@ostry.com - www.ostry.com Ostry & Partner - Ostry Internet Solutions Auhofstrasse 29 A-1130 Vienna Austria fon ++43-1-8777454 fax ++43-1-8777454-21
Associated Messages, from the most recent to the oldest:
>>Ken Grome: >>The WebDNA programmer, not the software, should perform a check for the >>existence of the duplicate SKU... > At 10:05 Uhr 24.07.1998, Charles Kefauver wrote: >Sure, but it is more work, and the programmer must remember to do so in >each new proyect. In all other Database systems, when you flag a field as >being unique, the underlying database makes sure it is unique. Every >database I have even seen that uses unique fields (and I have seen many) >does this automatically.This is right, but not usable under some circumstances. Most databases are for client/server and not for web. Take 4D for example: if you flag a field as unique then an error message will pop up to warn the user. Fine for a dedicated database client, but if you do not catch this situation in your web-application, the popup would be shown on the webserver! Therefore I agree with Ken - it is more secure when the programmer decides what is unique and what is not. Peter__________________________________________ Peter Ostry - po@ostry.com - www.ostry.com Ostry & Partner - Ostry Internet Solutions Auhofstrasse 29 A-1130 Vienna Austria fon ++43-1-8777454 fax ++43-1-8777454-21
Peter Ostry
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