creating a trigger

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November 29th, 2003, 01:37 AM

wakextreme

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creating a trigger

i was wondering if anyone could tell me how to create a trigger on dates. I have a table that contains two columns. One is start date adn one is end date. Is it possible to have end date auto filled in when i enter the start date. For example when i enter a start date i would like the end date to be exactly six months from the start??

thanks

November 29th, 2003, 12:54 PM

swampBoogie

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Code:

create trigger sb_t1 before insert on t
referencing new row as n
for each row
  set n.end_date = n.start_date + interval '6' month

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