Q:

SQL subqueries that can occur wherever a value is permitted provided the subquery gives only one tuple with a single attribute are called _________

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SQL subqueries that can occur wherever a value is permitted provided the subquery gives only one tuple with a single attribute are called _________


  1. Exact Subqueries
  2. Vector Subqueries
  3. Positive Subqueries
  4. Scalar Subqueries

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(d).Scalar Subqueries

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