Which of the following is a correlated subquery?Select one:a.Uses the result of an outer query to determine the processing of an outer queryb.Uses the result of an inner query to determine the processing of an outer queryc.Uses the result of an inner query to determine the processing of an inner queryd.Uses the result of an outer query to determine the processing of an inner query
Question
Which of the following is a correlated subquery?Select one:a.Uses the result of an outer query to determine the processing of an outer queryb.Uses the result of an inner query to determine the processing of an outer queryc.Uses the result of an inner query to determine the processing of an inner queryd.Uses the result of an outer query to determine the processing of an inner query
Solution
The correct answer is:
d. Uses the result of an outer query to determine the processing of an inner query
A correlated subquery is a subquery that uses values from the outer query. In other words, the inner query depends on the outer query and cannot independently be executed.
Similar Questions
What is a correlated sub-query?Select one:a.A sub-query that substitutes the names of the outer queryb.A sub-query that uses the correlation name of an outer queryc.A sub-query that does not depend on its outer query’s correlation namesd.An independent query that uses the correlation name of another independent query.
Which of the following statements is true concerning subqueries?Question 4Select one:a.Involves the use of an inner and outer queryb.Cannot return the same result as a query that is not a subquery.c.Does not start with the word SELECT.d.All of the above.
In case of correlated subquery the outer query is executed once. The subquery is executed ............. for every row in the outer query.Select one:a.Twiceb.Thricec.Once
Below is an example ofSELECT a.EmployeeIDFROM HumanResources.Employee aWHERE a.ContactID IN(SELECT b.ContactIDFROM Person.Contact bWHERE b.Title = 'Mrs.')Select one:a.Noncorrelated Subqueryb.Correlated SubqueryClear my choice
What is unique about a correlated subquery?1 pointA correlated subquery depends on input from the outer query to return values and always appear in the WHERE clause.A correlated subquery is independent of the outer query meaning they can be executed as a standalone query and always appear in the WHERE clause.A correlated subquery depends on input from the outer query to return values and always appear in the FROM clause.A correlated subquery is independent of the outer query meaning they can be executed as a standalone query and always appear in the FROM clause.
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.