Which of the following statements about subqueries are true? (Choose 3)

technology databases

  1. Subqueries can have up to 16 levels of nesting

  2. Subqueries can have up to 50 levels of nesting

  3. Subqueries returning only one row can follow “=” in a WHERE clause

  4. Subqueries returning only one row can follow “IN” in a WHERE clause

Show answer
Correct Option: A,C,D

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