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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. In SQL the word natural can be used with
  2. DBMS helps achieve
  3. Relationships among relationships can be represented in an-E-R model using
  4. Which of the following is a reason to model data?
  5. Use of UNIQUE while defining an attribute of a table in SQL means that the attribute values are
  6. The statement that is executed automatically by the system as a side effect of the modification of the…
  7. Which two files are used during operation of the DBMS?
  8. ………………… approach reduces time and effort required for design…
  9. Which of the syntax is correct for insert statement? i) insert into values ii) insert into (column list)…
  10. The cost of reading and writing temporary files while evaluating a query can be reduced by
  11. For correct behaviour during recovery, undo and redo operation must be
  12. A weak entity has an ______ dependency on its owner entity, which can be used for both ON UPDATE and…
  13. The transactions like adding an employee, enrolling a student in a course are examples of _______
  14. A transaction is in state after the final statement has been executed.
  15. The ______ key of a relation is the attribute (column) or collection of attributes, which uniquely identify…
  16. According to the levels of abstraction, the schema at the intermediate level is called
  17. ______contains information that defines valid values that are stored in a column or data type.
  18. Key to represent relationship between tables is called
  19. Which of the following concurrency control schemes is not based on the serializability property?
  20. A logical schema
  21. Which of the following addressing modes permits relocation without any change over in the code?
  22. What is a disjoint less constraint?
  23. Which normal form is considered adequate for normal relational database design?
  24. The clause alter table in SQL can be used to
  25. In a multi-user database, if two users wish to update the same record at the same time, they are prevented…
  26. Relational Algebra does not have
  27. Change Staff table by removing default of Assistant for position column
  28. An outstanding functionality of SQL is its support for automatic_____ to the target data.
  29. The drawback of shadow paging technique are
  30. Manager salary details are hidden from the employee .This is