Pregunta de entrevista de Deltek
Difference between left outer and inner join in SQL.
Respuesta de la entrevista
Anónimo
17 de sept de 2015
LEFT OUTER JOIN returns all the rows from the first table, even if there are no matches in the second table. RIGHTOUTER JOIN returns all the rows from the second table, even if there are no matches in the first table. INNER JOINrequires there is at least a match in comparing the two tables.
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