mysql/sql server 刷题以及优化

[chengchengxu15]

刷题： https://leetcode-cn.com/problemset/database/?sorting=W3sic29ydE9yZGVyIjoiQVNDRU5ESU5HIiwib3JkZXJCeSI6IkRJRkZJQ1VMVFkifV0%3D&page=1

85简单 76中等 29困难

sql server教程 https://www.yiibai.com/sqlserver/install-sql-server.html https://www.w3cschool.cn/sqlserver/sqlserver-ytbp28n1.html

sql server/ mysql语法区别 https://blog.csdn.net/fu_ying/article/details/10102569

优化教程： Tapio Lahdenmaki, Mike Leach - Relational database index design and the optimizers_ DB2, Oracle, SQL server et al-Wiley-Interscience (2005)

[chengchengxu15]

数据库知识手册笔记 leetcode

http://yangxikun.github.io/mysql/2014/03/16/mysql-index.html

[chengchengxu15]

https://www.cnblogs.com/zhurong/p/9374238.html#_label2