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

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  1. The normalization was first proposed by .
  2. By ______ an area on disk in certain ways, one can make it represent a bit value of either zero (0)…
  3. If the closure of an attribute set is the entire relation then the attribute set is a
  4. Drop Table cannot be used to drop a table referenced by a ______ constraint.
  5. SQL server stores index information in the _____system table
  6. Change Staff table by removing default of Assistant for position column
  7. Grant and revoke are _____ statements.
  8. A list consists of last names, first names, addresses and pin codes. If all people in the list have…
  9. In an E-R diagram double lines indicate
  10. Which one is correct statement?Logical data independence provides following without changing application…
  11. The metadata is created by the
  12. Which of the following ensures the atomicity of the transaction?
  13. In an E-R, Y is the dominant entity and X is a subordinate entity. Then which of the following is incorrect…
  14. Which of the following relational algebraic operations is not from set theory?
  15. If an entity can belong to only one lower level entity then the constraint is
  16. Relationships among relationships can be represented in an-E-R model using
  17. Protection of data from unauthorized Disclosure results in loss of _______
  18. Which of the following aggregate functions does not ignore nulls in its results?.
  19. Key to represent relationship between tables is called
  20. ______ keyword is used to find the number of values in a column.
  21. Which of the following is not a characteristic of a relational database model?
  22. Precedence graphs help to find a
  23. The ______ key of a relation is the attribute (column) or collection of attributes, which uniquely identify…
  24. ____ table store information about database or about the system.
  25. Which of the following statement on the view concept in SQL is invalid?
  26. Given the following relation S(SNO,SNAME,CITY) write a query to update the value of CITY to KANPUR for…
  27. If both the functional dependencies : XY and YX hold for two attributes X and Y then the relationship…
  28. In an ER diagram the ___shape specifies the Attibute and a ____ shape specifies the primary key attribute.
  29. Whenever two independent one-to-many relationships are mixed in the same relation, a __________ arises.
  30. Employees in a company are each assigned their own office, i.e. for each employee there exists a unique…