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Which of the following is true concerning open-source DBMS?

  • A.Is free or nearly free database software whose source code is publicly available
  • B.Is free or nearly free database software whose source code is not publicly available
  • C.Is not competitive against PC-oriented packages and is fully SQL compliant
  • D.Is competitive against PC-oriented packages and is not fully SQL compliant

Answer: A

Correct answer: Is free or nearly free database software whose source code is publicly available

Open-source means the source code is published and may be inspected, modified and redistributed, and the software is generally free or nearly so. MySQL and PostgreSQL are the familiar database examples, and both are competitive with commercial products and substantially SQL compliant.

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