1. In relational database row and column is called as______ and ______respectively.






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MCQ->In relational database row and column is called as______ and ______respectively.....
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-> 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-> Study the following information and answer the questions that follow: Twelve persons are sitting in two parallel lines in such a way that there are six persons in each row at equidistance. A, B, C, D, E and F are sitting in row-1 and they face towards east. P, Q, R, S, T and V are sitting in row-2 and they face towards west. One person of one row faces the other person of the other row. P, who is sitting at one of the ends of the row, is second to the right of T. A does not face P or T. A is third to the left of F. There are two persons between Q and V. There is only one person between C and D. C and D do not face P. B is neighbour of C. S, who does not face D, is not the neighbour of Q.Who among the following faces F?
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MCQ-> In an 8 X 8 chess board a queen placed any where can attack another piece if the piece is present in the same row, or in the same column or in any diagonal position in any possible 4 directions, provided there is no other piece in between in the path from the queen to that piece. The columns are labelled a to h (left to right) and the rows are numbered 1 to 8 (bottom to top). The position of a piece is given by the combination of column and row labels. For example, position c5 means that the piece is in $$c^{th}$$ column and $$5^{th}$$ row.If the queen is at c5, and the other pieces at positions c2, g1, g3, g5 and a3, how many are under attack by the queen? There are no other pieces on the board.
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