MCQ PracticeWhich command is used to select distinct subject (SUB) from the table (BOOK)?Subject: Computer Science EngineeringTopic: Database SystemsASELECT ALL FROM BOOKBSELECT DISTINCT SUB FROM BOOKCSELECT SUB FROM BOOKDAll of the above E. None of the aboveCorrect Answer: BPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the