1. The EXISTS keyword will be true if any row in the subquery meets the condition.



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MCQ-> Study the following information carefully and answer the questions given below: Eight persons — E, F, G, H, W, X, Y and Z — are sitting in two parallel rows containing four persons each. E. F, G and H are sitting in row-1 facing north and W. X, Y and Z are sitting in row-2 facing south (but not necessarily in the same order.) Thus, each person sitting in row – 1 faces another person sitting in row – 2, Each of the two rows consists of one Doctor, one Engineer, one Pilot and one Scientist (but not necessarily in the same order). • The Doctor of row-1 sits second to the right of H. X faces one of the immediate neighbours of H. Only one person sits between the X and the Scientist. • The one who faces the Scientist of row – 2 is an immediate neighbour of E. Only one person sits between E and the Pilot. • W sits second to the right of Z. Y does not face G. The Scientist of row-1 faces the Engineer of row – 2. • G faces one of the immediate neighbours of the Doctor of row-2. The Doctor of row-2 does not sit at any of the extreme ends of the line. Z is not a Doctor.Which of the following represents the people sitting at extreme ends of both the lines?
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MCQ->The NOT EXISTS keyword will be true if any row in the subquery meets the condition.....
MCQ->The EXISTS keyword will be true if any row in the subquery meets the condition.....
MCQ-> Study the following information carefully and answer the questions giver. below. Eight persons E, F, G, H, W X, Y and Z are sitting in two parallel rows containing four persons each in such a way that there is an equal distance between adjacent persons. E, F, G and H are sitting in row-1 facing north and W, X, Y and Z are sitting in row-2 facing south. (but not necessarily in the same order.) Thus, each person sitting in row-1 faces another persons sitting in row-2 Each of the two rows consists of the one Professor, one Leader, one Technician and one Doctor (but not necessarily in the same order). • The Doctor of row-1 sits second to the right of H. E is an immediate neighbour of H. E faces the Leader of row-2. • X sits to the immediate right of the Leader. X faces one of the immediate neighbours of the Professor of row-1. The Professor of row-1 does not sit at any of the extreme ends of the line. • W sits second to the left of Y. Z does not face G. F faces the Professor of row-2. In both the rows, onlye one person sits between the Professor and the Technician. W is not a Doctor.Which of the following represent both the immediate neighbours of W ?
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MCQ-> Analyse the following passage and provide appropriate answers for the questions that follow: The base of Objectivism according to Ayan Rand is explicit: “Existence exists – and the act of grasping that statement implies two corollary axioms: that something exists which one perceives and that one exists processing consciousness, consciousness being the faculty of perceiving that which exists.” Existence and consciousness are facts implicit in every perception. They are the base of all knowledge (and the precondition of proof): knowledge presupposes something to know and someone to know it. They are absolutes which cannot be questioned or escaped: every human utterance, including the denial of these axioms, implies their use and acceptance. The third axiom at the base of knowledge – an axioms true, in Aristotle’s words, of “being qua being” – is the Law of Identity. This law defines the essence of existence: to be is to be something, a thing is what it is; and leads to the fundamental principle of all action, the law of causality. The law of causality states that a thing’s actions are determined not by chance, but by its nature, i.e. by what it is. It is important to observe the interrelation of these three axioms. Existence is the first axiom. The universe exists independent of consciousness. Man is able to adapt his background to his own requirements, but “Nature, to be commanded, must be obeyed” (Francis Bacon). There is no mental process that can change the laws of nature or erase facts. The function of consciousness is not to create reality, but to apprehend it. “Existence is Identity, Consciousness is Identification.”Which of the following is DEFINITELY CORRECT according to the passage:
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