Question 494 Which of the following set of keywords constitutes a mapping in SQL ? A SELECT, FROM, TABLE B SELECT, FROM, WHERE C CONNECT, TABLE, […]

Question 495 A superkey for an entity consists of : A one attribute only B at least two attributes C at most two attributes D one […]

Question 496 An example of a data mining algorithm which uses squared error score function is : A CART algorithm B Back propagation algorithm C A […]

Question 497 Suppose R is a relation schema and F is a set of functional dependencies on R. Further, suppose R1 and R2 form a decomposition […]