摘要：
第一种情况数据文件 ttt.txt utf8编码1 zhangzhibin 232 lisi 223 wangwu 21mysql> select * from user;+------+-------------+------+| id | name | age |+------+-------------+------+| 0 | zhangzhibin | 23 || 2 | lisi | 0 || 3 | wangwu | 0 |+------+-------------+------+警告：mysql> show warnings ... 阅读全文
