Pregunta de entrevista de KPMG
How do you know if data exists in one table and not in another.
Respuesta de la entrevista
Anónimo
16 jul 2019
Do a left outer join where the linked field in table 2 is null
How do you know if data exists in one table and not in another.
Anónimo
Do a left outer join where the linked field in table 2 is null