[01_数据库的四大语言](01_%E6%95%B0%E6%8D%AE%E5%BA%93%E7%9A%84%E5%9B%9B%E5%A4%A7%E8%AF%AD%E8%A8%80.md) [02_数据库三范式](02_%E6%95%B0%E6%8D%AE%E5%BA%93%E4%B8%89%E8%8C%83%E5%BC%8F.md) [03_什么是关系型数据库](03_%E4%BB%80%E4%B9%88%E6%98%AF%E5%85%B3%E7%B3%BB%E5%9E%8B%E6%95%B0%E6%8D%AE%E5%BA%93.md) [04_联表查询](04_%E8%81%94%E8%A1%A8%E6%9F%A5%E8%AF%A2.md) [05_创建表空间](05_%E5%88%9B%E5%BB%BA%E8%A1%A8%E7%A9%BA%E9%97%B4.md) [06_索引](06_%E7%B4%A2%E5%BC%95.md) [07_事务](07_%E4%BA%8B%E5%8A%A1.md) [08_存储过程和自定义函数和游标](08_%E5%AD%98%E5%82%A8%E8%BF%87%E7%A8%8B%E5%92%8C%E8%87%AA%E5%AE%9A%E4%B9%89%E5%87%BD%E6%95%B0%E5%92%8C%E6%B8%B8%E6%A0%87.md) [09_plsql块和存储过程区别](09_plsql%E5%9D%97%E5%92%8C%E5%AD%98%E5%82%A8%E8%BF%87%E7%A8%8B%E5%8C%BA%E5%88%AB.md) [10_内置函数](10_%E5%86%85%E7%BD%AE%E5%87%BD%E6%95%B0.md) [11_触发器和视图](11_%E8%A7%A6%E5%8F%91%E5%99%A8%E5%92%8C%E8%A7%86%E5%9B%BE.md) [12_sql优化](12_sql%E4%BC%98%E5%8C%96.md) [13_数据库定时任务](13_%E6%95%B0%E6%8D%AE%E5%BA%93%E5%AE%9A%E6%97%B6%E4%BB%BB%E5%8A%A1.md) [14_约束](14_%E7%BA%A6%E6%9D%9F.md)