MCQ PracticeA top-to-bottom relationship among the items in a database is established by aSubject: Computer Science EngineeringTopic: Database SystemsAHierarchical schemaBNetwork schemaCRelational schemaDAll of the above E. None of the aboveCorrect Answer: APractice 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