Which one is correct statement?
Logical data independence provides following without changing application programs:
(i) Changes in access methods.
(ii) Adding new entities in database
(iii) Splitting an existing record into two or more records
(iv) C

A. (i) and (ii)

B. (iv) only

C. (i) and (iv)

D. (ii) and (iii)

You can do it
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  5. DFD stands for
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  7. DBMS helps achieve
  8. Isolation of the transactions is ensured by
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  10. The values of the attribute describes a particular
  11. As per equivalence rules for query transformation, selection operation distributes over
  12. In a relational schema, each tuple is divided into fields called
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  16. A data type or format is specified for each _________
  17. Which of the following is not a consequence of non-normalized database?
  18. An advantage of the database management approach is
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  20. Grant and revoke are _____ statements.
  21. The relational model is based on the concept that data is organized and stored in two-dimensional tables…
  22. _____ is a utility to capture a continuous record of server activity and provide auditing capability.
  23. The ______ indexes are forced to store only record IDs in the data structure and require at least one…
  24. In an E-R diagram double lines indicate
  25. If two relations R and S are joined, then the non matching tuples of both R and S are ignored in
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  27. _____ First proposed the process of normalization.
  28. The keyword to eliminate duplicate rows from the query result in SQL is
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