Sunil Bagul

Salesforce Trigger:- Salesforce trigger is apex code that executes before or after the folowing types of operations. insert    -  You can have this trigger run  before or after objects records are inserted into database. update  -  You can have this trigger run  before or after objects records are updated into database. delete   -  You can have this trigger run  before or after objects records are deleted from  database. merge   -  Merge events do not fire their own trigger events. Instead, they fire delete and update event upsert   -  Fire both before and after insert or before and after update triggers as  appropriate undelete- record is restored from the Recycle Bin  I will be explaining each trigger with example in next tutorial.