Trigger' s Problem

        Does anyone know if one can use triggers on a table to detect insert,etc and during its execution make others alterations on that same table ?

        I tried it several times but I always get the same message - something like ' table is mutating - no can do !! .

	Please, Help.	
	Thanks in advance,		Joao Barreto Fernandes	

P.S. Please answer by e-mail if possible.         

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# Joao Carlos de Oliveira Barreto Fernandes     #

# e-mail : barreto_at_master.di.fc.ul.pt           #


# <a href=http://www.di.fc.ul.pt/~barreto> </a> #