MySQL count and case with one to many relationship

后端 未结 0 1470
旧巷少年郎
旧巷少年郎 2021-01-19 01:31

Its my first question here!

My MySQL knowledge is below average and I need help.

I got 2 tables with one to many relationship:

1.policies

2.polic

相关标签:
回答
  • 消灭零回复
提交回复
热议问题