# 重温学习路径: TiDB SQL for Developers (v6)

+ 201.2: Learn SQL from TiDB
  + 查询数据
  + 数据类型与表达式
  + **函数与表达式**
  + 表连接
  + 子查询
  + 参考脚本: https://github.com/pingcap/tidb-course-201-lab/tree/master/scripts

![right](./student-guide/diagram/TiDBSQLForDevelopersLearningPath_en_002_20220515.png)
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