Data independence means

A. data is defined separately and not included in programs.

B. programs are not dependent on the physical attributes of data

C. programs are not dependent on the logical attributes of data

D. both B and C

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

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  1. Which of the following ensures the atomicity of the transaction?
  2. Which of the following concurrency control schemes is not based on the serializability property?
  3. The ____ operator joins two or more conditions and displays rows only if that rows data satisfies all…
  4. In an ER model,_____ is described in the database by storing its data.
  5. The clause in SQL that specifies that the query result should be sorted in ascending or descending order…
  6. ____ table store information about database or about the system.
  7. A ______ module is typically designed so that it will run on a user workstation or personal computer.
  8. A weak entity has an ______ dependency on its owner entity, which can be used for both ON UPDATE and…
  9. Key to represent relationship between tables is called
  10. ______contains information that defines valid values that are stored in a column or data type.
  11. Isolation of the transactions is ensured by
  12. Relational Algebra does not have
  13. An advantage of the database management approach is
  14. ______ keyword is used to find the number of values in a column.
  15. The language that requires a user to specify the data to be retrieved without specifying exactly how…
  16. If two relations R and S are joined, then the non matching tuples of both R and S are ignored in
  17. _____ First proposed the process of normalization.
  18. Use of UNIQUE while defining an attribute of a table in SQL means that the attribute values are
  19. Drop Table cannot be used to drop a table referenced by a ______ constraint.
  20. _____ is a utility to capture a continuous record of server activity and provide auditing capability.
  21. Wait-for graph is used for
  22. The common column is eliminated in
  23. Which of the following is true for network structure?
  24. Consider the join of relation R with a relation S. If R has m tuples and S has n tuples, then the maximum…
  25. Which of the syntax is correct for insert statement? i) insert into values ii) insert into (column list)…
  26. Which of the following addressing modes permits relocation without any change over in the code?
  27. The full form of GUI is _________
  28. Assume transaction A holds a shared lock R. If transaction B also requests for a shared lock on R.
  29. What is a disjoint less constraint?
  30. Relational Algebra is