DBMS- Normalization

DBMS- Normalization
11. Multi-valued dependencies are the result of 1NF, which prohibited an attribute from having a set of values.
  • TRUE
  • FALSE
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12. 5NF does not require semantically related multiple relationships.
  • TRUE
  • FALSE
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13. Normalization is formal process of developing data structure in a manner that eliminates redundancy and promites integrity.
  • TRUE
  • FALSE
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14. 5NF is also called projection-join normal form (PJNF).
  • TRUE
  • FALSE
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15. Normalization is a process of
  • decomposing a set of relations
  • successive reduction of relation schema.
  • deciding which attributes in relation to be
  • all of these
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16. The normalization process was developed by
  • E. F. Codd
  • R. F. Boyce
  • R. Fagin
  • Collin White
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17. A normal form is
  • a state of a relation that results from applying simple rules regarding FDs.
  • the highest normal form condition that it meets
  • an indication of the degree to which it has been normalised
  • all of these.
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18. Which of the following is the formal process of deciding which attributes should be grouped together in a relation ?
  • optimization
  • normalization
  • turning
  • none of these
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19. In 1NF,
  • all domains are simple
  • in a simple domain, all elements are atomic
  • both (a) & (b)
  • None of these
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20. 2NF is always in
  • 1NF
  • BCNF
  • MVD
  • none of these
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