types of join in SQL difference between incidence and problem what is SQL transact what is user restriction in SQL how to update a table (sentence) situation: the system went down, you have calls and ticket saying that system is not working, is 6pm,you already verify that systems is down and you are alone, what is the first thing to do?, send a general message to all users saying that the system is not working and we are workking to fix it, to stops calls and tickets. example of how you communicate with people when you find a problem tell me about you. examples in your work how your apply ITIL environment