Shadow paging has

A. no redo

B. no undo

C. redo but no undo

D. neither redo nor undo

You can do it
  1. The division operator divides a dividend A of degree m+n by a divisor relation B of degree n and produces…
  2. The common column is eliminated in
  3. A ______ module is typically designed so that it will run on a user workstation or personal computer.
  4. The ____ operator joins two or more conditions and displays rows only if that rows data satisfies all…
  5. What are the desirable properties of a decomposition
  6. Given the following relation S(SNO,SNAME,CITY) write a query to update the value of CITY to KANPUR for…
  7. In an ER diagram the ___shape specifies the Attibute and a ____ shape specifies the primary key attribute.
  8. The fact that all employees of a particular organization should not have salaries more than $10000 is…
  9. Immediate database modification technique uses
  10. The one guideline to be followed while designing the database is
  11. It is an abstraction through which relationships are treated as higher level entities
  12. In a relational schema, each tuple is divided into fields called
  13. As per equivalence rules for query transformation, selection operation distributes over
  14. Use of UNIQUE while defining an attribute of a table in SQL means that the attribute values are
  15. ____ table store information about database or about the system.
  16. The full form of GUI is _________
  17. Wait-for graph is used for
  18. _____ First proposed the process of normalization.
  19. A weak entity has an ______ dependency on its owner entity, which can be used for both ON UPDATE and…
  20. Which of the following is not a characteristic of a relational database model?
  21. In an ER model,_____ is described in the database by storing its data.
  22. According to the levels of abstraction, the schema at the intermediate level is called
  23. Maximum height of a B+ tree of order m with n key values is
  24. ______is a preferred method for enforcing data integrity
  25. Shadow paging has
  26. The concept of mapping of ______ entity types is the concept in which the for each strong entity type…
  27. If an entity can belong to only one lower level entity then the constraint is
  28. A _____ is used to define overall design of the database
  29. A top-to-bottom relationship among the items in a database is established by a
  30. The transactions like adding an employee, enrolling a student in a course are examples of _______