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DBMS is a collection of _____ that enables user to create and maintain a database.

A. Keys

B. Program

C. Translators

D. Language Activity

Correct Answer : B.


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  1. The middleware databases in which the business rules act are applicable to _______ tier architectures
  2. SQL server stores index information in the _____system table
  3. Which of the following aggregate functions does not ignore nulls in its results?.
  4. A ____ key specifies a uniqueness constraint that no two distinct tuples in any state r of relation…
  5. _____ database is used to provide statistical information or summaries of values based on various criteria.
  6. A logical schema
  7. The ____ operator joins two or more conditions and displays rows only if that rows data satisfies all…
  8. For using a specific database command is used.
  9. Relational Algebra does not have
  10. The size of a data item is called its _______, which can be a field of some record or may be a larger…
  11. Which normal form is considered adequate for normal relational database design?
  12. DFD stands for
  13. The clause alter table in SQL can be used to
  14. The ______ key of a relation is the attribute (column) or collection of attributes, which uniquely identify…
  15. ______is a special type of integrity constraint that relates two relations & maintains consistency across…
  16. In SQL, testing whether a subquery is empty is done using

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  18. A transaction is in state after the final statement has been executed.
  19. Which of the following is not a logical database structure?
  20. Which of the following constitutes a basic set of operations for manipulating relational data?
  21. Which of the following relational algebraic operations is not from set theory?
  22. In multiple granularity of locks SIX lock is compatible with
  23. In SQL the statement select * from R, S is equivalent to
  24. Which of the following is not a characteristic of a relational database model?
  25. _____clause is an additional filter that is applied to the result.
  26. Create a table with the following attributes: Employee(EMPNO integer, EMPNAME of 10 characters)
  27. A _____ is used to define overall design of the database
  28. Drop Table cannot be used to drop a table referenced by a ______ constraint.
  29. The fact that all employees of a particular organization should not have salaries more than $10000 is…
  30. In an ER model,_____ is described in the database by storing its data.