A relation is in attribute of other composite key. if an attribute of a composite key is dependent on an

A. 2NF

B. 3NF


D. 1NF

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  1. What will be the number of columns and rows respectively obtained for the operation, A- B, if A B are…
  2. As per equivalence rules for query transformation, selection operation distributes over
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  4. Maximum height of a B+ tree of order m with n key values is
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  6. The drawback of shadow paging technique are
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  8. Which of the following is not a consequence of concurrent operations?
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  10. Relational Algebra is
  11. An advantage of the database management approach is
  12. Processed data is called _____
  13. The full form of GUI is _________
  14. The concept of mapping of ______ entity types is the concept in which the for each strong entity type…
  15. Which of the following is not a consequence of non-normalized database?
  16. A _____ is a logical unit of database processing that includes one or more data access operations that…
  17. DFD stands for
  18. Which of the following is true for network structure?
  19. If both the functional dependencies : XY and YX hold for two attributes X and Y then the relationship…
  20. DBMS helps achieve
  21. Assume transaction A holds a shared lock R. If transaction B also requests for a shared lock on R.
  22. A weak entity has an ______ dependency on its owner entity, which can be used for both ON UPDATE and…
  23. Drop Table cannot be used to drop a table referenced by a ______ constraint.
  24. The ______ language consists of SQL statements for operating on the data (insert, Modify, Delete) in…
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  26. Which of the following ensures the atomicity of the transaction?
  27. In b-tree the number of keys in each node is than the number of its children.
  28. SQL server stores index information in the _____system table
  29. An outstanding functionality of SQL is its support for automatic_____ to the target data.
  30. A relational database developer refers to a record as