Pregunta de entrevista de S&P Global
1. Design a scenario and normalize. (Realize anomalies and redundancies) 2. SQL queries (Aggregation, rank, etc.) 3. Database knowledge (Keys, Indexes, all questions included a "when do you do it or not do it")
1. Design a scenario and normalize. (Realize anomalies and redundancies) 2. SQL queries (Aggregation, rank, etc.) 3. Database knowledge (Keys, Indexes, all questions included a "when do you do it or not do it")