Normalize your application so that tables describe only one type of objects and do not implement row_type flags. When the design is streamlined you'll be able to use unique constraints.
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, June 04, 2002 9:59 AM > To: Multiple recipients of list ORACLE-L > Subject: Complex Integrity Checking > > > Hi guys. Here's my problem. > I want to check the new values (when inserting&updating a > table) against the > ones in the existing rows. Something like checking for > duplicate values, but > using a unique constraint doesn't suit my needs. > I think of a before insert&update trigger, wherein checking > my condition and > raise a error if not valid. The problem is, in case of an > update statement, > I get the mutating "ORA-04091 table <my table> is mutating....". > I read a lot of doc but I didn't find any helping ideas. Can > you give me > some, or maybe a new approach to this kind of problem? > Thanks in advance! > > iulian > > > ************************************************************** > **************** > The information contained in this communication is confidential and > may be legally privileged. It is intended solely for the use of the > individual or entity to whom it is addressed and others authorised to > receive it. If you are not the intended recipient you are hereby > notified that any disclosure, copying, distribution or taking > action in > reliance of the contents of this information is strictly > prohibited and > may be unlawful. Orange Romania SA is neither liable for the proper, > complete transmission of the information contained in this > communication > nor any delay in its receipt. > ************************************************************** > **************** > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: > INET: [EMAIL PROTECTED] > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > San Diego, California -- Public Internet access / Mailing Lists > -------------------------------------------------------------------- > 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). > -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Gogala, Mladen INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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).
