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DBMS helps achieve

A. Centralized control of data

B. Data independence

C. Both A and B

D. Neither A nor B

Correct Answer : C.


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  1. Grant and revoke are _____ statements.
  2. ______defines the structure of a relation which consists of a fixed set of attribute-domain pairs.
  3. ______contains information that defines valid values that are stored in a column or data type.
  4. Which of the syntax is correct for insert statement? i) insert into values ii) insert into (column list)…
  5. Which of the following constitutes a basic set of operations for manipulating relational data?
  6. In an E-R, Y is the dominant entity and X is a subordinate entity. Then which of the following is incorrect…
  7. Which of the following is not a consequence of non-normalized database?
  8. Data independence means
  9. The metadata is created by the
  10. _____is a full form of SQL.
  11. Protection of data from unauthorized Disclosure results in loss of _______
  12. Wait-for graph is used for
  13. Checkpoints are a part of
  14. Which of the following is true for network structure?
  15. A relation is in attribute of other composite key. if an attribute of a composite key is dependent on…
  16. Which of the following is not a property of transactions?
  17. ______ keyword is used to find the number of values in a column.
  18. The set of all values that can be taken by the attribute is called as _______ of the attribute.
  19. For correct behaviour during recovery, undo and redo operation must be
  20. Which of the following aggregate functions does not ignore nulls in its results?.
  21. Immediate database modification technique uses
  22. Which of the following relational algebraic operations is not from set theory?
  23. The relational model is based on the concept that data is organized and stored in two-dimensional tables…
  24. The data models defined by ANSI/SPARC architecture are
  25. Which one is correct statement?Logical data independence provides following without changing application…
  26. If an entity can belong to only one lower level entity then the constraint is
  27. What will be the number of columns and rows respectively obtained for the operation, A- B, if A B are…
  28. In an ER model,_____ is described in the database by storing its data.
  29. _____ is a utility to capture a continuous record of server activity and provide auditing capability.
  30. Which of the following is not a characteristic of a relational database model?