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DBMS Concepts Quiz
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DBMS Concepts Quiz

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@MesmerizingLynx

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Questions and Answers

What type of join is needed when you wish to include rows that do not have matching values?

  • All of the Mentioned
  • Equi-join
  • Natural join
  • Outer join (correct)
  • Which keyword is used to rename the resulting attribute after the application of the aggregation function?

  • rename
  • replace
  • as (correct)
  • to
  • We can test for the nonexistence of tuples in a subquery by using the _____ construct.

  • Exist
  • Not exists (correct)
  • Exists
  • Not exist
  • The ________ comparison checker is used to check 'each and every' condition.

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