_number) FROM participated, owns, person WHERE owns.driver_id = person.driver_id AND person.name = 'John Smith' AND owns.license_plate = participated.license plate; It returns the number of driver_ids that have been in an accident with the driver John Smith. It finde the names of those who have been in an accident with the driver John

_number) FROM participated, owns, person WHERE owns.driver_id = person.driver_id AND person.name = 'John Smith' AND owns.license_plate = participated.license plate; It returns the number of driver_ids that have been in an accident with the driver John Smith. It finde the names of those who have been in an accident with the driver John

A Guide to SQL

9th Edition

ISBN:9781111527273

Author:Philip J. Pratt

Publisher:Philip J. Pratt

Chapter5: Multiple-table Queries

Section: Chapter Questions

Problem 5SCG: Repeat Exercise 4, but this time use the EXISTS operator in your query.

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