Select *from 表名 into outfile 'C/.../.../.../xxx.txt '
fields terminated by ' ' 字段值用什么隔开
Optionally enclosed by ''' ' 字段是字符用双引号标注
Lines terminated by '' 每行以什么结束
Load data infile 'C/.../.../.../xxx.txt ' into 表名
fields terminated by ' ' 字段值用什么隔开
Optionally enclosed by ''' ' 字段是字符用双引号标注
Lines terminated by '' 每行以什么结束