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Home ‣ Database ‣ The Relational Model and Normalization See What Others Are Saying!
  • Question

  • A tuple is a(n):


  • Options
  • A. column of a table.
  • B. two dimensional table.
  • C. row of a table.
  • D. key of a table.

  • Correct Answer
  • row of a table. 

    • More questions

    • 1. There are three stages involved when analyzing the initiation of an information systems project.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The SQL MAKE TABLE command is used to construct tables, define columns, define column constraints and create relationships.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. Which of the following is the preferred way to recover a database after a transaction in progress terminates abnormally?

    • Options
    • A. Rollback
    • B. Rollforward
    • C. Switch to duplicate database
    • D. Reprocess transactions
      • Discuss
    • 4. SQL stands for ________ .

    • Options
    • A. Structured Query Language
    • B. Sequential Query Language
    • C. Structured Question Language
    • D. Sequential Question Language
      • Discuss
    • 5. Which of the following SQL statements are helpful in database redesign?

    • Options
    • A. Correlated subqueries only
    • B. EXISTS/NOT EXISTS expressions only
    • C. Both of the above are helpful
    • D. None of the above are helpful.
      • Discuss
    • 6. Which of the following modifications may not succeed?

    • Options
    • A. Changing a column data type from char to date
    • B. Changing a column data type from numeric to char
    • C. Both of the above actions should succeed.
    • D. Neither of the above actions will succeed.
      • Discuss
    • 7. The default extension for an Oracle SQL*Plus file is:

    • Options
    • A. .txt.
    • B. .pls.
    • C. .ora.
    • D. .sql.
      • Discuss
    • 8. Which JDBC driver Type(s) can be used in either applet or servlet code?

    • Options
    • A. Both Type 1 and Type 2
    • B. Both Type 1 and Type 3
    • C. Both Type 3 and Type 4
    • D. Type 4 only
      • Discuss
    • 9. A database has data and relationships.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. There is only one way to create and modify tables in SQL Server. Write SQL code using either the CREATE or ALTER statements.

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

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