I often hear people referring to Microsoft Excel as a database—but that couldn't be further from the truth. Compared to true database systems, Excel is insecure, hits size limits too quickly, and ...
How-To Geek on MSN
How to use Excel's Power Query to tidy up messy spreadsheet data
To clean up the messy data, it needs to be loaded into the Power Query Editor.
Even Wall Street takes days off. The regular schedule for the New York Stock Exchange and Nasdaq is Monday through Friday from 9:30 a.m. to 4 p.m. Eastern time with weekends off. There are also ...
모든 데이터를 메모리에 올리는 방식부터 stream 그리고 stream 에 transform 을 사용한 방식에 대해 속도 차이와 메모리 사용량 차이를 알아보기 위한 테스트 프로젝트 입니다.
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