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CBSE AISSCE 2016-2017 Marking Scheme for Computer Science
                                      (Sub Code: 083 Paper Code 91 Outside Delhi)


                   Ans    SELECT * FROM MEMBER ORDER BY ISSUEDATE DESC;

                           (½ Mark for correct SELECT statement)
                           (½ Mark for correct ORDER BY clause)

                      (ii)  To display the DCODE and DTITLE of all Folk Type DVDs from the table DVD

                   Ans    SELECT DCODE,DTITLE FROM DVD WHERE DTYPE=’Folk’;

                           (½ Mark for correct SELECT statement)
                           (½ Mark for correct WHERE  clause)

                      (iii) To display the DTYPE and number of DVDs in each DTYPE from the table DVD

                   Ans     SELECT COUNT(*),DTYPE FROM DVD GROUP BY DTYPE;

                           (½ Mark for correct SELECT statement)
                           (½ Mark for correct GROUP BY  clause)

                      (iv) To display all NAME and ISSUEDATE of those members from the table MEMBER who
                          have DVDs issued (i.e ISSUEDATE) in the year 2017


                   Ans     SELECT NAME, ISSUEDATE FROM MEMBER WHERE
                           ISSUEDATE>=’2017-01-01’ AND ISSUEDATE<=’2017-12-31’;
                           OR
                           SELECT NAME, ISSUEDATE FROM MEMBER WHERE ISSUEDATE
                           BETWEEN ‘2017-01-01’ AND ‘2017-12-31’;
                          OR
                          SELECT NAME, ISSUEDATE FROM MEMBER WHERE ISSUEDATE LIKE
                          ‘2017%’;
                           (½ Mark for correct SELECT statement)
                           (½ Mark for correct WHERE  clause)

                       (v)  SELECT MIN(ISSUEDATE) FROM MEMBER;

                   Ans    MIN(ISSUEDATE)
                          2016-12-13
                           (½ Mark for correct output)


                      (vi)  SELECT DISTINCT DTYPE FROM DVD;

                   Ans    DISTINCT DTYPE
                          Folk
                          Classical
                          Rock
                          (½ Mark for correct output)
                          NOTE: Values may be written in any order
                     (vii)  SELECT D.DCODE,NAME,DTITLE
                          FROM DVD D, MEMBER M WHERE D.DCODE=M.DCODE ;

                   Ans     DCODE​           ​NAME​                ​DTITLE
                           R102            AGAM SINGH          A day in life
                           F102            ARTH JOSEPH         Universal Soldier
                           C101            NISHA HANS          The Planets

                           (½ Mark for correct output)


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