2024年9月7日
Javaweb-DQL-条件查询
摘要： 1. select * from stu where age>20; 2. select * from stu where age>=20; 3. select * from stu where age>=20 and age<=30; 4. select * from stu where hire 阅读全文
posted @ 2024-09-07 12:16 wangyin0425 阅读(23) 评论(0) 推荐(0)
Javaweb-DQL-排序查询
摘要： 1. select * from stu order by age asc; 2. select * from stu order by math desc; 3. select * from stu order by math desc,english asc; 阅读全文
posted @ 2024-09-07 12:12 wangyin0425 阅读(11) 评论(0) 推荐(0)