………………… approach reduces time and effort required for design and lesser risk in database management.

A. Single global database

B. Multiple databases

C. Top-down approach

D. None of the above

You can do it
  1. Which two files are used during operation of the DBMS?
  2. The default level of consistency in SQL is
  3. For correct behaviour during recovery, undo and redo operation must be
  4. The statement that is executed automatically by the system as a side effect of the modification of the…
  5. Which of the following is not comparison operator?
  6. Immediate database modification technique uses
  7. The division operator divides a dividend A of degree m+n by a divisor relation B of degree n and produces…
  8. _______ product was acquired by Informix, integrated into its RDBMS and introduced as the Informix Universal…
  9. An advantage of the database management approach is
  10. ____specifies a search condition for a group or an aggregate.
  11. An outstanding functionality of SQL is its support for automatic_____ to the target data.
  12. The drawback of shadow paging technique are
  13. Change Staff table by removing default of Assistant for position column
  14. In SQL the statement select * from R, S is equivalent to
  15. DBMS helps achieve
  16. A relational database developer refers to a record as
  17. The normal form that is not necessarily dependency preserving is
  18. A DBMS is a ____ user if at most one user can use the system and is mostly restricted to personal computer…
  19. The keyword to eliminate duplicate rows from the query result in SQL is
  20. ………………… approach reduces time and effort required for design…
  21. Consider the join of relation R with a relation S. If R has m tuples and S has n tuples, then the maximum…
  22. ______is a special type of integrity constraint that relates two relations & maintains consistency across…
  23. A weak entity has an ______ dependency on its owner entity, which can be used for both ON UPDATE and…
  24. The common column is eliminated in
  25. Between DRAM and magnetic disk storage another form of memory, called ______ memory is becoming common…
  26. Given the following relation S(SNO,SNAME,CITY) write a query to update the value of CITY to KANPUR for…
  27. It is an abstraction through which relationships are treated as higher level entities
  28. The middleware databases in which the business rules act are applicable to _______ tier architectures
  29. Which of the following is true for network structure?
  30. In SQL, testing whether a subquery is empty is done using