Multiple choice

To be considered minimally relational, the DBMS must support of the following key relational functions.

  1. SELECT, PROJECT, UNION

  2. SELECT, PROJECT, JOIN

  3. SELECT, UNION, JOIN

  4. SELECT, UNION, INTERSECT
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B Correct answer
Explanation

Relational algebra defines the theoretical way of manipulating table contents using the eight relational functions. To be considered minimally relational, the DBMS must support the key relational functions SELECT, PROJECT and JOIN.

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