You have generated the demo data for the SQL Tutorial.
Log on to the demo database instance DEMODB as user MONA.
Define triggers. Proceed as described in SQL Tutorial, Database Triggers.
You can use the system table TRIGGERS to determine the following database information, among other things:
? Update trigger for the HOTEL table
SELECT triggername, definition
WHERE tablename = 'HOTEL'
AND UPDATE = 'YES'
? Table and action for which the trigger HOTEL_UPDATE was defined
SELECT owner, triggername, insert, update, delete
WHERE triggername = 'HOTEL_UPDATE'