Relational Algebra is

A. Data Definition Language .

B. Meta Language

C. Procedural query Language

D. None of the above

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. The values of the attribute describes a particular
  2. A logical schema
  3. DROP is a statement in SQL.
  4. The set of all values that can be taken by the attribute is called as _______ of the attribute.
  5. Create a table with the following attributes: Employee(EMPNO integer, EMPNAME of 10 characters)
  6. In SQL the word natural can be used with
  7. Change Staff table by removing default of Assistant for position column
  8. Given the following relation S(SNO,SNAME,CITY) write a query to update the value of CITY to KANPUR for…
  9. What is data integrity?
  10. Which of the following relational algebraic operations is not from set theory?
  11. In SQL, testing whether a subquery is empty is done using
  12. By ______ an area on disk in certain ways, one can make it represent a bit value of either zero (0)…
  13. _____ is a utility to capture a continuous record of server activity and provide auditing capability.
  14. The full form of GUI is _________
  15. In a relational schema, each tuple is divided into fields called
  16. E-R Modeling is achieved by using ____ diagrams
  17. Which of the following is not a consequence of non-normalized database?
  18. ______defines the structure of a relation which consists of a fixed set of attribute-domain pairs.
  19. ______is a special type of integrity constraint that relates two relations & maintains consistency across…
  20. The metadata is created by the
  21. The size of a data item is called its _______, which can be a field of some record or may be a larger…
  22. If two relations R and S are joined, then the non matching tuples of both R and S are ignored in
  23. What will be the number of columns and rows respectively obtained for the operation, A- B, if A B are…
  24. Cascading rollback is avoided in all protocol except
  25. Manager salary details are hidden from the employee .This is
  26. A list consists of last names, first names, addresses and pin codes. If all people in the list have…
  27. Which of the following ensures the atomicity of the transaction?
  28. The middleware databases in which the business rules act are applicable to _______ tier architectures
  29. Maximum height of a B+ tree of order m with n key values is
  30. In an ER diagram the ___shape specifies the Attibute and a ____ shape specifies the primary key attribute.