Pergunta de entrevista da empresa Tengizchevroil
what is the diff btw datalake and DWH? oltp vs olap? star & snowflake schema - the diff? fact table vs dimension table. what is index and what is it used for?
Resposta da entrevista
Sigiloso
19 de jan. de 2021
star & snowflake schema - i did not go into detail, cuz did not know.