最近在学习mysql,感觉sqlzoo的题目质量还挺好的(大部分,少部分有问题比如排序方式题意不清要求缺失xxxx),本身网址也是免费挺良心的,故开个题解博客,希望能进行学习与交流。
对应题解网址
- SELECT basics SELECT name SELECT from World: https://blog.csdn.net/aiqiyizz/article/details/109071276
- SELECT from Nobel: https://blog.csdn.net/aiqiyizz/article/details/109079108
- SELECT within SELECT: https://blog.csdn.net/aiqiyizz/article/details/109082291
- SUM and COUNT: https://blog.csdn.net/aiqiyizz/article/details/109083614
- JOIN: https://blog.csdn.net/aiqiyizz/article/details/109086001
- More JOIN operations: https://blog.csdn.net/aiqiyizz/article/details/109057783
- Using Null: https://blog.csdn.net/aiqiyizz/article/details/109062327
- Self join: https://blog.csdn.net/aiqiyizz/article/details/109064583