Github Hadoop The Definitive Guide
https://github.com/tomwhite/hadoop-book
Brush SQL problem sites
https://sqlzoo.net/wiki/SELECT_basics
https://blog.csdn.net/flycat296/article/details/63681089
Github Hadoop The Definitive Guide
https://github.com/tomwhite/hadoop-book
Brush SQL problem sites
https://sqlzoo.net/wiki/SELECT_basics
https://blog.csdn.net/flycat296/article/details/63681089