摘要：
常用查询方式： select * from tablename select col1,clo2 from tablename where age = 18 select col1,clo2 from tablename where age >=18 and age<=60 select col1, 阅读全文
posted @ 2023-06-13 11:39
sunwugang
阅读(15)
评论(0)
推荐(0)
浙公网安备 33010602011771号