# 练习: SELECT 技能练习
+ 利用掌握的技能回答问题
  + 中文: https://github.com/pingcap/tidb-course-201-lab/blob/master/lab-guide/guide/zh/201.2/lab-3-select-composite.md
![left](./student-guide/diagram/schema-universe.drawio.png)
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