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Home ‣ Database ‣ Database Redesign Comments
  • Question

  • The data model produced from the reverse engineering process is a true logical model.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Database Redesign problems

    Search Results

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. If a database is built correctly the first time, it will not have to be redesigned.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. Because of the need for extensive knowledge of SQL, many database developers choose to automate the redesign process.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. Correlated subqueries are similar to a regular subquery.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The EXISTS keyword will be true if any row in the subquery meets the condition.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. A correlated subquery is processed as a nested subquery.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The SQL-92 command to change a table name is RENAME TABLE.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The use of the double NOT EXISTS can be used to find rows that do not match some specified condition.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Oracle will let you define Notepad as your default editor, and whenever you type NOTEPAD, SQL*Plus will invoke Notepad.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The left-leaning slash tells Oracle to execute whatever statement is in the buffer.

    • Options
    • A. True
    • B. False
      • Discuss

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