You can keep them in sync with 3 triggers, instead of one. Actually, I don't even know how would you keep 4 tables in sync with only a single trigger.
On 11/24/2003 12:44:25 PM, Barbara Baker wrote: > List: > We're trying to design a CRM app. We believe we need > 3 tables (Prospect/Customer, Private Party, and > Agency) because those 3 kinds of (potential) customers > have different attributes. > > The sales rep should know whether they're looking up > cust, private party, or agency. But what if they > don't? (They're sales, after all. What if the have a > hangover?) For performance reasons, we'd prefer not > to join all 3 tables for a lookup. > > I was thinking about 1 cross-reference table with the > primary key from each of the 3 tables stored in one > cross-ref table. Any way to keep such a table updated > other than with a trigger? > > Any other ideas about how to do a quick lookup without > 1 big join? > > In case you can't tell, db design is NOT my forte. > Thanks for any ideas! > > Barb > > > __________________________________ > Do you Yahoo!? > Free Pop-Up Blocker - Get it now > http://companion.yahoo.com/ > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: Barbara Baker > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB ORACLE-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > Mladen Gogala Oracle DBA Note: This message is for the named person's use only. It may contain confidential, proprietary or legally privileged information. No confidentiality or privilege is waived or lost by any mistransmission. If you receive this message in error, please immediately delete it and all copies of it from your system, destroy any hard copies of it and notify the sender. You must not, directly or indirectly, use, disclose, distribute, print, or copy any part of this message if you are not the intended recipient. Wang Trading LLC and any of its subsidiaries each reserve the right to monitor all e-mail communications through its networks. Any views expressed in this message are those of the individual sender, except where the message states otherwise and the sender is authorized to state them to be the views of any such entity. -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Mladen Gogala INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
