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Home ‣ Database ‣ SQL for Database Construction Comments
  • Question

  • Common types of SQL CHECK constraints include range checks and limiting columns values.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • SQL for Database Construction problems

    Search Results

    • 1. Views can be used to show the results of computed columns.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. A view that contains a computed column can be easily updated.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance.

    • Options
    • A. True
    • B. False
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    • 4. An entity class is a collection of entities and is described by the structure of the entities in that class.

    • Options
    • A. True
    • B. False
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    • 5. A subtype entity is a special case of another entity called a supertype entity.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The SQL DELETE statement is used to delete both the table structure and table data.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. SQL statements can be embedded in triggers, stored procedures, and program code.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. There are three SQL data modification operations: insert, modify and delete.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. If any required (NOT NULL) columns are missing from the view, the view cannot be used for inserting new data.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. A trigger is a stored program that is attached to a database.

    • Options
    • A. True
    • B. False
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