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Free Relational Algebra App Download (Android & iOS): Join operation that takes tuples from the right relation that is not matching to any from the left relation, is known as; MCQ with answers: left outer join, natural outer join, right outer join, and full outer join. Practice Formal Relational Query Languages Questions and Answers, Google Book to download free chapter to advance digital coursework.

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MCQ 1166: The join operation that takes tuples from the right relation that is not matching to any from the left relation, is known as:

  1. Natural outer join
  2. Left outer join
  3. Full outer join
  4. Right outer join

MCQ 1167: Based on the authorizations that the user has been granted. If the query or update is not authorized, it is:

  1. Submitted
  2. Rejected
  3. Accepted
  4. Displayed

MCQ 1168: Integrity constraints are usually identified as part of the database:

  1. Schema definition phase
  2. Schema design phase
  3. Schema implementation phase
  4. Schema test phase

MCQ 1169: In case of nonbinary relationship sets, we can specify some relationship types of:

  1. Many-to-many relationships
  2. One-to-one relationships
  3. Many-to-one relationships
  4. One-to-many relationships

MCQ 1170: The value used by SQL in place of all, is:

  1. In
  2. As
  3. Null
  4. Like

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