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Which of the following is a reason to model data?

A. Understand each user's perspective of data

B. Understand the data itself irrespective of the physical representation

C. Understand the use of data across application areas

D. All of the above

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

You can do it
  1. Change Staff table by removing default of Assistant for position column
  2. Processed data is called _____
  3. The full form of GUI is _________
  4. DBMS helps achieve
  5. A ______ module is typically designed so that it will run on a user workstation or personal computer.
  6. Which of the following is a reason to model data?
  7. _____ First proposed the process of normalization.
  8. ______is a special type of integrity constraint that relates two relations & maintains consistency across…
  9. A list consists of last names, first names, addresses and pin codes. If all people in the list have…
  10. According to the levels of abstraction, the schema at the intermediate level is called
  11. In SQL the statement select * from R, S is equivalent to
  12. Immediate database modification technique uses
  13. The graphical representation of a query is .
  14. Wait-for graph is used for
  15. A _____ is used to define overall design of the database
  16. Union operator is a :
  17. Which of the following is not a property of transactions?
  18. The division operator divides a dividend A of degree m+n by a divisor relation B of degree n and produces…
  19. The clause in SQL that specifies that the query result should be sorted in ascending or descending order…
  20. _______ product was acquired by Informix, integrated into its RDBMS and introduced as the Informix Universal…
  21. The default level of consistency in SQL is
  22. ______is a preferred method for enforcing data integrity
  23. A data type or format is specified for each _________
  24. The common column is eliminated in
  25. E-R Modeling is achieved by using ____ diagrams
  26. The statement that is executed automatically by the system as a side effect of the modification of the…
  27. Which of the following is not a consequence of non-normalized database?
  28. A transaction is in state after the final statement has been executed.
  29. If both the functional dependencies : XY and YX hold for two attributes X and Y then the relationship…
  30. Whenever two independent one-to-many relationships are mixed in the same relation, a __________ arises.