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

You can do it
  1. Key to represent relationship between tables is called
  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
  10. _______ product was acquired by Informix, integrated into its RDBMS and introduced as the Informix Universal…
  11. A transaction is in state after the final statement has been executed.
  12. The data models defined by ANSI/SPARC architecture are
  13. The fact that information in the data warehouse changes far less often and may be regarded as non-real-time…
  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)…
  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. Between DRAM and magnetic disk storage another form of memory, called ______ memory is becoming common…
  23. Immediate database modification technique uses
  24. Shadow paging has
  25. The transactions like adding an employee, enrolling a student in a course are examples of _______
  26. Relations produced from an E-R model will always be
  27. DBMS is a collection of _____ that enables user to create and maintain a database.
  28. If the closure of an attribute set is the entire relation then the attribute set is a
  29. Which of the following is not a consequence of concurrent operations?
  30. Which of the following constitutes a basic set of operations for manipulating relational data?