Envié una solicitud electrónica. Acudí a una entrevista en Computer Age Management Services en ene 2020
Entrevista
First round is technical round.there are really good but there dont know anything about the sql and plsql meanwhile i am not ready to response because the two number are talking in local language but both are think that there are best expert in oracle . if you dont kw answer try to listen it.
Preguntas de entrevista [1]
Pregunta 1
what is constraint and unique constraint? there are justify that only one can be allowed in unique constraint. go and check is null<>null in oracle in sql server null= null;
