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Home Database ER Model and Business Rules See What Others Are Saying!
  • Question
  • An action assertion must include which of the following?


  • Options
  • A. Anchor object
  • B. Action
  • C. Corresponding object
  • D. All of the above.

  • Correct Answer
  • All of the above. 


  • More questions

    • 1. A UML diagram includes which of the following?

    • Options
    • A. Class name
    • B. List of attributes
    • C. List of operations
    • D. All of the above.
    • Discuss
    • 2. What is the overall responsibility of the DBA?

    • Options
    • A. Facilitate the development and use of the database
    • B. Create and populate tables
    • C. Development, operation, and maintenance of the database and its applications
    • D. Both the first and third answers above are correct.
    • Discuss
    • 3. The ODBC Level 1 API contains which of the following functions?

    • Options
    • A. Browse possible connections and data sources only
    • B. Connect to data sources with driver-specific information only
    • C. Process a scrollable cursor only
    • D. Both 1 and 3 above are in the OBDC Level 1 API.
    • Discuss
    • 4. SERIALIZABLE is the strictest isolation level.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. A key:

    • Options
    • A. must always be composed of two or more columns.
    • B. can only be one column.
    • C. identifies a row.
    • D. identifies a column.
    • Discuss
    • 6. Structured data may include which of the following?

    • Options
    • A. Photo image
    • B. Video clip
    • C. Dates
    • D. None of the above.
    • Discuss
    • 7. Which of the following is not a restriction for a table to be a relation?

    • Options
    • A. The cells of the table must contain a single value.
    • B. All of the entries in any column must be of the same kind.
    • C. The columns must be ordered.
    • D. No two rows in a table may be identical.
    • Discuss
    • 8. Which of the following column properties would be used to specify that cells in a column must be immediately filled with a monetary value of $10,000?

    • Options
    • A. Null status
    • B. Data type
    • C. Default value
    • D. Data constraints
    • Discuss
    • 9. You can check on the status of tables with the DESCRIBE or DESC command.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. Which of the following applies to a class rather than an object?

    • Options
    • A. Query
    • B. Update
    • C. Scope
    • D. Constructor
    • Discuss


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