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Which of the following statements is NOT true about semi - joins, anti - joins, and nested queries in SQL ? Select all that applies.
Which of the following statements is NOT true about semijoins, antijoins, and nested queries in SQL Select all that applies.
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A Nested queries can always be used to achieve the same results as semijoins and antijoins.
B Semijoins return rows from the inner table that have matching rows in the inner table based on a join condition.
C Antijoins return all rows from both tables, regardless of the join condition.
D Relational algebra expressions using semijoin and antijoin operators can sometimes provide a clearer representation of the query logic compared to nested queries.
E Depending on the database system, using semijoin or antijoin might lead to a more efficient execution plan than nested queries.
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