Author :Wasiq Aslam

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Rwp_2nd_cs_2

Rawalpindi Board 2nd year Computer Science Chapter 2

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1. DBA stands for:

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2. A key strictly used for data retrieval purposes is called:

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3. Who is responsible to design, implement and maintain a databases?

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4. A table in which the foreign key is found is called:

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5. Which of the following is also known as control key?

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6. A primary key that consists of more than one attribute is called

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7. An attribute in relation used as the primary key of another relation in the same database is called

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8. A candidate key is:

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9. Which field is the most appropriate primary key?

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10. Which of the following can be a primary key

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11. How many primary keys can a table have?

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12. Which of the following is NOT a good primary key?

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13. Which of the following describes the primary key?

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14. A key is:

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15. Which of the following are properties of relations?

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16. An index can used to:

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17. Which of the following is NOT a characteristic of relations?

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18. The data or information that describes an entity is called:

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19. A person, place, thing or event about which data is kept in the database is called

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20. A row of a relation is called:

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21. A relation is also known as:

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22. An attribute is also known as a:

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23. A table is a two-dimensional structure that consists of:

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24. A two-dimensional table of data is called:

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25. A table should have:

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26. The foreign key is found in:

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27. The Columns of a table correspond to

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28. SQL is used for:

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29. CREATE command is used to create:

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30. A virtual table that is constructed from other tables is called:

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31. The number of characters in fixed-length field is

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32. The views are used:

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33. Views are also called:

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34. The SQL statement to create a view is:

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35. All the intersection of rows and columns must have:

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36. The rows of a relation can be of order.

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37. Insert command is used to insert:

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