December2015 Cs Q14

0. Match the following database terms to their functions:
List I                                  List II
  (a) Normalization(i) Enforces match of primary key to foreign key
  (b) Data Dictionary(ii) Reduces data redundancy in a databae
  (c) Referential Integrity(iii) Define view(s) of the database for particular user(s)
  (d) External Schema(iv) Contains metadata describing database structure.

      (a)  (b)  (c)  (d)
(A) (iv) (iii) (i) (ii)
(B) (ii) (iv) (i) (iii)
(C) (ii) (iv) (i) (iii)
(D) (iv) (iii) (ii) (i)

  • Option : B
  • Explanation :
    • Normalization reduces data redundancy in a database
    • Data Dictionary contains metadata describing database structuredefines view(s) of the database for particular user(s)
    • Referential Integrity enforces match of primary key to foreign key
    • External Schema defines view(s) of the database for particular user(s)

    So, option (B) is correct.
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