Mysql命令下导出select查询数据之 select ... into outfile方法

Mysql平常使用中常常遇到将select查询的数据导出到本地目录的状况,以便数据备份、分析等。mysql

接下来将介绍Mysql终端下使用 select ... into outfile 语句导出数据方法sql

命令:编码

mysql> SELECT * FROM passwd INTO OUTFILE '/tmp/runoob.txt'
    -> FIELDS TERMINATED BY ',' ENCLOSED BY '"'
    -> LINES TERMINATED BY '\n';

/**
参数说明:
 用来对字段值之间进行分割,
 用来对字段值进行包裹,
FIELDS  LINES TERMINATED BY 用来对每行结束指定换行符
*/FIELDS TERMINATED BYFIELDS [OPTIONALLY] ENCLOSED BY

举例spa

mysql> SELECT * from student into outfile '/home/homework/shenwenzhe/student.txt'; 

 

另外:code

介绍下into outfile命令的相反命令:load data infile  数据导入,命令以下:blog

load data infile "/home/homework/shenwenzhe/student.txt" into table student;

 注意点:若是导出时用到了FIELDS TERMINATED BY ',' ,OPTIONALLY ENCLOSED BY '"', LINES TERMINATED BY '\n'等语句,那么load时也要加上一样的分隔限制语句,而且要注意数据编码问题。table

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