Oracle和MySQL中的不同函数的等价作用（在MySQL中实现Rank高级排名函数）重点推荐

mysql与Oracle的区别

https://blog.csdn.net/qq686867/article/details/79355760

mysql试题

https://zhuanlan.zhihu.com/p/38047497

https://blog.csdn.net/Bryan__/article/details/51290932

mysql8.0新增函数

https://yq.aliyun.com/articles/593698?utm_content=m_1000014867

http://mxohy.blog.sohu.com/172181390.html?qq-pf-to=pcqq.c2c