After the update trigger

I'm updating of certain rows in a table from front end applications...

If I update a particular Null line... then the other value in the column is to replace assets

Can I write an update trigger after for this

Can we use if like else statements in triggers

If a is null, then b is active

Tags: Database

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    Published by: Mikhail on 12 March 2012 23:54

    Mikhail says:
    Hello

    In all of my table, I have columns EDITDATE and EDITUSER. So whenever a table is updated I need to update these two fields with the USER and SYSDATE. For this I use the AFTER UPDATE trigger. This trigger is activated, but I get "ORA-04091: table %s.%s is changing, function of triggering/can not see" error every time I update the table. I used this method in SQL Server. I understand that Oracle doesn't have to be the same as SQL Server but I do not know there is a way to do this. Do you know what it is?

    EDIT: Here is the Code of the trigger

    create or replace
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    BEFORE THE UPDATE
    ON LEGISLATION_CALCUL
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    just put this in your before update (and not after the update as you mentioned) for each trigger line:

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    :new.EDITUSER_ID := UID;
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