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_____is a full form of SQL.

A. Standard query language

B. Sequential query language

C. Structured query language

D. Server side query language

Correct Answer : C.


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  1. The cost of reading and writing temporary files while evaluating a query can be reduced by
  2. If a transaction T has obtained an exclusive lock on item Q, then T can
  3. Which of the following relational algebra operations do not require the participating tables to be union-compatible?
  4. HSAM stands for ……….
  5. If an entity can belong to only one lower level entity then the constraint is
  6. What will be the number of columns and rows respectively obtained for the operation, A- B, if A B are…
  7. The rule that a value of a foreign key must appear as a value of some specific table is called a
  8. The transactions like adding an employee, enrolling a student in a course are examples of _______
  9. DBMS helps achieve
  10. In a multi-user database, if two users wish to update the same record at the same time, they are prevented…
  11. DBMS is a collection of _____ that enables user to create and maintain a database.
  12. The size of a data item is called its _______, which can be a field of some record or may be a larger…
  13. What are the desirable properties of a decomposition
  14. The ______ key of a relation is the attribute (column) or collection of attributes, which uniquely identify…
  15. The metadata is created by the
  16. Relational Algebra is
  17. A ____ key specifies a uniqueness constraint that no two distinct tuples in any state r of relation…
  18. The full form of GUI is _________
  19. A _____ is used to define overall design of the database
  20. DFD stands for
  21. Which normal form is considered adequate for normal relational database design?
  22. If both the functional dependencies : Xï®Y and Yï®X hold for two attributes X and Y then the relationship…
  23. By ______ an area on disk in certain ways, one can make it represent a bit value of either zero (0)…
  24. A data type or format is specified for each _________
  25. In E-R Diagram total participation is represented by
  26. Which of the following is not a recovery technique?
  27. Dependency preservation is not guaranteed in
  28. operator is used to compare a value to a list of literals values that have been specified.
  29. Change Staff table by removing default of Assistant for position column
  30. If the closure of an attribute set is the entire relation then the attribute set is a