1.mysql face questions
https://blog.csdn.net/qq_42246689/article/details/87918437
2.hive face questions
https://blog.csdn.net/u011331430/article/details/79038103
3. Large Data face questions
https://zhuanlan.zhihu.com/p/45552863
Blog page:
1.https://blog.csdn.net/qq_42246689