02.exercise-select-from-where【练习：SELECT、FROM和WHERE】
This notebook is an exercise in the SQL course. You can reference the tutorial at this link. Introduction 介绍 Try writing some SELECT statements of your own to explore a large dataset of air pollution measurements. 尝试编写一些自己的 SELECT 语句来探索空气污染测量的大型数据集。 Run the cell below to set up the feedback system. 运行下面的单元格来设置反馈系统。 # Set up feedback system […]