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CSE :: Database System 2 - CS

  1. A correlated subquery is processed as a nested subquery.

  2. A.

     True

    B.

     False


  3. A regular subquery is processed from the bottom up.

  4. A.

     True

    B.

     False


  5. Correlated subqueries are similar to a regular subquery.

  6. A.

     True

    B.

     False


  7. Database redesign is especially difficult if the database has no data.

  8. A.

     True

    B.

     False


  9. Some organizations take the stand that no application should ever employ the true name of a table.

  10. A.

     True

    B.

     False


  11. The use of the double NOT EXISTS can be used to find rows that do not match some specified condition.

  12. A.

     True

    B.

     False


  13. Although creating test databases is a critical and necessary job, there are few career opportunities in this area.

  14. A.

     True

    B.

     False


  15. Because of the need for extensive knowledge of SQL, many database developers choose to automate the redesign process.

  16. A.

     True

    B.

     False


  17. The data model produced from the reverse engineering process does not include intersection table data.

  18. A.

     True

    B.

     False


  19. If a database is built correctly the first time, it will not have to be redesigned.

  20. A.

     True

    B.

     False