Pergunta de entrevista da empresa Yelp
Do INNER JOINS produce the intersection or union between two tables?
Resposta da entrevista
Sigiloso
27 de jun. de 2011
Intersection. You should probably also know what an outer join does.
Do INNER JOINS produce the intersection or union between two tables?
Sigiloso
Intersection. You should probably also know what an outer join does.