我是SQl的新手并且尝试自己学习.
我正在学习SQL中if和else语句的用法
这里是我尝试使用的数据,如果或者在下表中声明,我希望根据年龄使用sql查询更新注释,假设年龄介于22和25之间,评论"下毕业"
Age: 26 to 27, comments " post graduate"
Age: 28 to 30, comments "working and single"
Age: 31 to 33, comments " middle level manager and married"
表名:人
personid lastname firstname age comments
1 Cardinal Tom 22
2 prabhu priya 33
3 bhandari abhijeet 24
4 Harry Bob 25
5 krishna anand 29
6 hari hara 31
7 ram hara 27
8 kulkarni manoj 35
9 joshi santosh 28
sql ×1