This is the second post in a three-part series about Instant Aggregations. Read how it all started in The Tale of Caching and Why It Matters from Simon Willnauer and Shay Banon and how the magnificent end to the story in Instant Aggregations: Rewriting Queries for Fun and Profit. Enjoy the trilogy!이 게시물은 Instant Aggregation에 대한 시리즈 중 두번째 게시물입니다. Simon Willnauer과 Shay Banon의 The Tale of Caching a..