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In an ER model,_____ is described in the database by storing its data.

A. Entity

B. Attribute

C. Relationship

D. Notation

You can do it
  1. Which normal form is considered adequate for normal relational database design?
  2. The relational model is based on the concept that data is organized and stored in two-dimensional tables…
  3. What is a disjoint less constraint?
  4. For correct behaviour during recovery, undo and redo operation must be
  5. A table can have only one
  6. Which of the following aggregate functions does not ignore nulls in its results?.
  7. What will be the number of columns and rows respectively obtained for the operation, A- B, if A B are…
  8. Which of the following is not a consequence of concurrent operations?
  9. An outstanding functionality of SQL is its support for automatic_____ to the target data.
  10. Which of the following is not a consequence of non-normalized database?
  11. The drawback of shadow paging technique are
  12. Precedence graphs help to find a
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    If both the functional dependencies : XY and YX hold for two attributes X and Y then the relationship between X and Y is
  14. The clause in SQL that specifies that the query result should be sorted in ascending or descending order…
  15. Which is the best file organization when data is frequently added or deleted from a file?
  16. In an E-R diagram double lines indicate
  17. Immediate database modification technique uses
  18. The statement that is executed automatically by the system as a side effect of the modification of the…
  19. Which of the following is a reason to model data?
  20. The middleware databases in which the business rules act are applicable to _______ tier architectures
  21. Which of the following ensures the atomicity of the transaction?
  22. Given the following relation S(SNO,SNAME,CITY) write a query to update the value of CITY to KANPUR for…
  23. E-R Modeling is achieved by using ____ diagrams
  24. Checkpoints are a part of
  25. A top-to-bottom relationship among the items in a database is established by a
  26. When an E-R diagram is mapped to tables, the representation is redundant for
  27. Change Staff table by removing default of Assistant for position column
  28. If the closure of an attribute set is the entire relation then the attribute set is a
  29. Key to represent relationship between tables is called
  30. The fact that all employees of a particular organization should not have salaries more than $10000 is…