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Employees in a company are each assigned their own office, i.e. for each employee there exists a unique office and for each office there exists a unique employee; This statement is an example of ____ type of relation.

A. 1:1

B. 1: Many

C. Many: One

D. Many : Many

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  2. Union operator is a :
  3. If both the functional dependencies : XY and YX hold for two attributes X and Y then the relationship…
  4. The common column is eliminated in
  5. What are the desirable properties of a decomposition
  6. If two relations R and S are joined, then the non matching tuples of both R and S are ignored in
  7. The default level of consistency in SQL is
  8. The normal form that is not necessarily dependency preserving is
  9. A ______ module is typically designed so that it will run on a user workstation or personal computer.
  10. Which of the syntax is correct for insert statement? i) insert into values ii) insert into (column list)…
  11. _____is a full form of SQL.
  12. In an E-R, Y is the dominant entity and X is a subordinate entity. Then which of the following is incorrect…
  13. Which of the following concurrency control schemes is not based on the serializability property?
  14. _____ is a utility to capture a continuous record of server activity and provide auditing capability.
  15. A _____ is used to define overall design of the database
  16. SQL server stores index information in the _____system table
  17. Which of the following is not a characteristic of a relational database model?
  18. In SQL, testing whether a subquery is empty is done using
  19. The ____ operator joins two or more conditions and displays rows only if that rows data satisfies all…
  20. The concept of mapping of ______ entity types is the concept in which the for each strong entity type…
  21. In SQL the statement select * from R, S is equivalent to
  22. A list consists of last names, first names, addresses and pin codes. If all people in the list have…
  23. The data in the database at a particular moment of time is called the _______
  24. Create a table with the following attributes: Employee(EMPNO integer, EMPNAME of 10 characters)
  25. Which of the following is true for network structure?
  26. The graphical representation of a query is .
  27. Precedence graphs help to find a
  28. Isolation of the transactions is ensured by
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  30. Which normal form is considered adequate for normal relational database design?