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Home ‣ Database ‣ SQL for Database Construction Comments
  • Question

  • A SQL view is a virtual table that is constructed from other tables or views.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • SQL for Database Construction problems

    Search Results

    • 1. The SQL MAKE TABLE command is used to construct tables, define columns, define column constraints and create relationships.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. When a foreign key column is created without a corresponding foreign key constraint, we have created a "casual relationship" between the two tables.

    • Options
    • A. True
    • B. False
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    • 3. Standard SQL-92 views are constructed from SQL SELECT statements that do not contain the GROUP BY clause.

    • Options
    • A. True
    • B. False
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    • 4. The SQL statement used to create a view is CREATE VIEW.

    • Options
    • A. True
    • B. False
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    • 5. A updatable view has its own data.

    • Options
    • A. True
    • B. False
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    • 6. SQL has a JOIN ON syntax that can be used to create inner joins and outer joins.

    • Options
    • A. True
    • B. False
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    • 7. A benefit of using a stored procedure is that it can be distributed to client computers.

    • Options
    • A. True
    • B. False
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    • 8. Two transactions that run concurrently and generate results that are consistent with the results that would have occurred if they had run separately are referred to as serializable transactions.

    • Options
    • A. True
    • B. False
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    • 9. A point of synchronization between the database and the transaction log is generally referred to as a stop point.

    • Options
    • A. True
    • B. False
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    • 10. A phantom read occurs when a transaction rereads data it has previously read and finds modifications or deletions caused by a committed transaction.

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

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