BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  SQL Server trigger          BorlandTalk.com Forum Index -> Delphi Databases (SQL Servers) View previous topic :: View next topic   Author Message Alessandro Guest Posted: Mon Apr 25, 2005 10:57 pm    Post subject: SQL Server trigger Hi. I have a table(Moviment) with the follow struct: MovStock, int MovProduct, int MovDateMov, smalldatetime MovIsn, int (this is order that moviment in this MovDateMov) MovValue, numeric MovAverage, numeric I need write a trigger to when a insert a record this trigger calc the average. Onother trigger that when i delete a record calc the average from record deleted until end moviment of the stock / product. How can i do this? Thanks Alessandro Back to top Patrick Guest Posted: Tue Apr 26, 2005 1:14 pm    Post subject: Re: SQL Server trigger Quote: MovValue, numeric MovAverage, numeric I need write a trigger to when a insert a record this trigger calc the average. Onother trigger that when i delete a record calc the average from record deleted until end moviment of the stock / product. Why not calc the average when you retrieve the data? Quote: How can i do this? See CREATE TRIGGER in MS-SQL BOL. You would derive the average and update the rows. 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