relational operations

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Relational operations have nice and desired property that their result is always

Relational operations have nice and desired property that their result is always
  • A. Pair of relations
  • B. Single relations
  • C. Sequence of relations
  • D. No relations
  • Correct Answer: Option B

If common attributes of two relations are classified as join attributes then OUTER UNION must be equal to

If common attributes of two relations are classified as join attributes then OUTER UNION must be equal to
  • A. LEFT OUTER JOIN
  • B. FULL OUTER JOIN
  • C. HALF OUTER JOIN
  • D. DOWNWARD JOIN
  • Correct Answer: Option B