Question 30 The students in a class are seated according to their marks in the previous examination. Once it so happens that four of these students […]
Question 15 Which of the following relational query languages have the same expressive power? 1. Relational algebra 2. Tuple relational calculus restricted to safe expressions 3. […]
Question 196 One-rupee currency note in India bears the signature of A The President of India B Finance Minister of India C Governor, Reserve Bank of […]