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Maximum height of a B+ tree of order m with n key values is

A. Logm(n)

B. (m+n)/2

C. Logm/2(m+n)

D. None of these

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  2. An advantage of views is
  3. The concept of mapping of ______ entity types is the concept in which the for each strong entity type…
  4. Relational Algebra does not have
  5. The full form of GUI is _________
  6. In an E-R, Y is the dominant entity and X is a subordinate entity. Then which of the following is incorrect…
  7. _____ command can be used to modify a column in a table
  8. The statement that is executed automatically by the system as a side effect of the modification of the…
  9. According to the levels of abstraction, the schema at the intermediate level is called
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  12. The data models defined by ANSI/SPARC architecture are
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  14. The set of all values that can be taken by the attribute is called as _______ of the attribute.
  15. ____ table store information about database or about the system.
  16. Which of the following is not a consequence of non-normalized database?
  17. In 2NF
  18. ______is a preferred method for enforcing data integrity
  19. Employees in a company are each assigned their own office, i.e. for each employee there exists a unique…
  20. Which of the syntax is correct for insert statement? i) insert into values ii) insert into (column list)…
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  27. DBMS is a collection of _____ that enables user to create and maintain a database.
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