This morning i got a problem configuring my dual monitor on my ubuntu 9.10… after had enabled the propetary driver from invidia when i try to write the xorg.conf i got an error from the interface of that driver like : can’t parse the /etc/X11/xorg.conf. So i opened my shell and i do that on…
Leggi tutto
In Oracle ,to get some ddl information and source you can call system tables like user_objects. So with a particular function called DBMS_METADATA.GET_DDL you can have the entire source of an object passing two parameter : first: the object type and the second parameter is the name of the object that you want to know…
Leggi tutto
[lang_en] To raise an Exception from a Trigger, Stored Procedure or Function without needing anything you can use the function : raise_application_error. Syntax : raise_application_error(<your exception integer code>, <your string description>); Per scatenare un eccezione da un Trigger o una Stored Procedure o una Funzione Oracle si può semplicemente utilizzare la funzione di sistema :…
Leggi tutto
http://www.openclipart.org , non lo conoscevo e ne sono rimasto veramente impressionato, è un archivio di ClipArt in fomrato vettoriale SVG enorme, qualsiasi cosa ho scritto nella ricerca mi son trovato l’immagine corrispondente. Come direbbe il signor Burns dei Simpons “Eccellente”. Ogni immagine selezionata è disponibile per il download in formato sia svg che png. Ogni…
Leggi tutto
Oracle Version : 10g As you know inside a Oracle row trigger you cannot access to the base table, for example when you make a trigger like this, on a table named “activity“.
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 |
CREATE OR REPLACE TRIGGER UNAME.ACTIVITY_FK_MENU_INTEGRITY AFTER INSERT OR UPDATE ON UNAME.ACTIVITY REFERENCING NEW AS New OLD AS Old FOR EACH ROW DECLARE tmpVar NUMBER; e_Menu_Already_Exists EXCEPTION; BEGIN Select count(*) into tmpVar from Activity aa where (aa.fk_menu = :new.fk_menu)and(aa.pk_id <> :new.pk_id); -- if (tmpVar > 0) then --:New.FK_MENU := null; -- raise e_Menu_Already_Exists; -- end if; END ACTIVITY_FK_MENU_INTEGRITY; |
when you try to use the table making an update happen this : To avoid this error and obviusly assuming the…
Leggi tutto
Hello, we want to sync two directories in two different server that are connected to the internet. We want to use ssh as channel protocol because we already have the firewall rules to connect and because it is encrypted. First of all we need that machine A will connect to machine B without password asking,…
Leggi tutto
