operator is used to compare a value to a list of literals values that have been specified.

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  1. Consider the join of relation R with a relation S. If R has m tuples and S has n tuples, then the maximum…
  2. A table can have only one
  3. Protection of data from unauthorized Disclosure results in loss of _______
  4. ______is a special type of integrity constraint that relates two relations & maintains consistency across…
  5. Data items grouped together for storage purposes are called a
  6. The transactions like adding an employee, enrolling a student in a course are examples of _______
  7. Given the following relation S(SNO,SNAME,CITY) write a query to update the value of CITY to KANPUR for…
  8. The normalization was first proposed by .
  9. Use of UNIQUE while defining an attribute of a table in SQL means that the attribute values are
  10. Which of the following relational algebraic operations is not from set theory?
  11. operator is used to compare a value to a list of literals values that have been specified.
  12. The middleware databases in which the business rules act are applicable to _______ tier architectures
  13. The metadata is created by the
  14. Which of the following is a reason to model data?
  15. Change Staff table by removing default of Assistant for position column
  16. A ____ key specifies a uniqueness constraint that no two distinct tuples in any state r of relation…
  17. What is a disjoint less constraint?
  18. Maximum height of a B+ tree of order m with n key values is
  19. What will be the number of columns and rows respectively obtained for the operation, A- B, if A B are…
  20. In 2NF
  21. The collection of information stored in a database at a particular moment is called as ......
  22. In SQL the statement select * from R, S is equivalent to
  23. Which of the following is not comparison operator?
  24. The cost of reading and writing temporary files while evaluating a query can be reduced by
  25. The common column is eliminated in
  26. A DBMS is a ____ user if at most one user can use the system and is mostly restricted to personal computer…
  27. Relational Algebra is
  28. If a transaction T has obtained an exclusive lock on item Q, then T can
  29. In an E-R, Y is the dominant entity and X is a subordinate entity. Then which of the following is incorrect…
  30. DFD stands for