摘要: 统计某字段重复记录 select 字段名, count(字段名) from test group by name having count(字段名) > 1; 阅读全文
posted @ 2020-05-14 20:45 AlphaJunS 阅读(1676) 评论(0) 推荐(0)
摘要: Linux输入命令时,ctrl+a光标回到行首;ctrl+e光标跳至末尾 阅读全文
posted @ 2020-05-14 20:22 AlphaJunS 阅读(6675) 评论(0) 推荐(0)