Data Engineer 面接の質問と回答
Question: Explain the concept of data skewness and its impact on data processing.Answer: Data skewness refers to the uneven distribution of data within a dataset. It can impact performance in distributed computing environments, causing certain tasks to take longer than others.Example:
|
復習用に保存
この項目をブックマークに追加したり、難しい内容としてマークしたり、復習セットに入れたりできます。
役に立ちましたか？ はい いいえ
ユーザー評価で最も役立つ内容:
- What is a schema in the context of databases?
- Explain the concept of ETL in the context of data engineering.