Pregunta de entrevista de Meta

SQL Questions Python Questions Data Modeling: facts: * different types of facts and their grain * pro/con of your fact design * don't be afraid to give more than one fact table * identify pk, fk and relationship (1 to 1, 1 to M) * pay attention to the grain you defined dimensions: * give attributes * bridge table, scd 2, role play, pro/con of each type in terms of performance