To answer the question, we need to identify which option is not a type of subquery.

1. Single row subquery: This type of subquery returns only one row as a result. It is used to retrieve a single value or compare a single value with the main query.

2. Correlated subquery: This type of subquery is executed for each row of the outer query. It uses values from the outer query in its own query.

3. Multiple row subquery: This type of subquery returns multiple rows as a result. It is used to compare a set of values with the main query.

4. Variation based subquery: This option is not a commonly known type of subquery. It does not match the descriptions of the other three types mentioned above.

Therefore, the correct answer is "Variation based subquery" as it is not a type of subquery.

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To answer the question, we need to identify which option is not a type of subquery.

1. Single row subquery: This type of subquery returns only one row as a result. It is used to retrieve a single value or compare a single value with the main query.

2. Correlated subquery: This type of subquery is executed for each row of the outer query. It uses values from the outer query in its own query.

3. Multiple row subquery: This type of subquery returns multiple rows as a result. It is used to compare a set of values with the main query.

4. Variation based subquery: This option is not a commonly known type of subquery. It does not match the descriptions of the other three types mentioned above.

Therefore, the correct answer is "Variation based subquery" as it is not a type of subquery.

Knowee AI · Accepted Answer

To answer the question, we need to identify which option is not a type of subquery.

1. Single row subquery: This type of subquery returns only one row as a result. It is used to retrieve a single value or compare a single value with the main query.

2. Correlated subquery: This type of subquery is executed for each row of the outer query. It uses values from the outer query in its own query.

3. Multiple row subquery: This type of subquery returns multiple rows as a result. It is used to compare a set of values with the main query.

4. Variation based subquery: This option is not a commonly known type of subquery. It does not match the descriptions of the other three types mentioned above.

Therefore, the correct answer is "Variation based subquery" as it is not a type of subquery.

swerWhich one is not a type of subquery ?OptionsSingle row sub queryCorrelated Sub queryMultiple row sub queryVariation based Sub query

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