Trigeri baze podataka
Trigeri baze podataka
Trigeri baze podataka
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<strong>Trigeri</strong> <strong>baze</strong> <strong>podataka</strong>• Definicija trigera <strong>baze</strong> <strong>podataka</strong>– Mehanizam koji se pokreće na događaj, vezan zamanipulaciju podacima, ili samom bazom <strong>podataka</strong> ipokreće PL/SQL program• događaji:– DML naredbe (INSER, UPDATE, DELETE)– DDL naredbe (CREATE, ALTER, DROP)– DBMS događaji» AFTER SERVERERROR» AFTER LOGON» BEFORE LOGOFF» AFTER STARTUP» BEFORE SHUTDOWN10 /