SQL Differences between stored procedure and triggers

Question

I\'m having trouble understanding the difference between a stored procedure and a trigger in sql. If someone could be kind enough to explain it to me that would be great.

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Answer 1

                    ***TRIGGERS*** 

1. Action on specific time.

2. Triggers is a special type of stored procedure that is not called directly by user.

3. When the trigger is created, it is defined to fire when a specific type of data modification is made against a specific table or column