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https://soohey.tistory.com/73#1.%20AWS%EA%B0%80%20%EC%A0%9C%EA%B3%B5%ED%95%98%EB%8A%94%20%EC%BB%A8%ED%85%8C%EC%9D%B4%EB%84%88%20%EC%84%9C%EB%B9%84%EC%8A%A4-1

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https://www.smileshark.kr/post/amazon-ec2-vs-amazon-rds-how-to-choose-right-hosted-database

https://stackoverflow.com/questions/44802682/python-any-unexpected-performance

https://www.katrin-affolter.ch/de/programming/performance-of-all-and-any

https://stackoverflow.com/questions/13750475/sql-performance-union-vs-or

https://bertwagner.com/posts/in-vs-union-all/

https://www.datacamp.com/tutorial/sql-union-union-all

https://heung-goooo.com/db-inner-join-%EA%B3%BC-natural-join-%EC%9D%98-%EC%B0%A8%EC%9D%B4%EC%A0%90/

https://kimsyoung.tistory.com/entry/GROUP-BY-vs-PARTITION-BY-%EC%9C%A0%EC%82%AC%EC%A0%90%EA%B3%BC-%EC%B0%A8%EC%9D%B4%EC%A0%90

https://www.neilwithdata.com/join-using

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https://www.cognex.com/ko-kr/blogs/deep-learning/research/overview-bayesian-optimization-effective-hyperparameter-search-technique-deep-learning-1