1、select into outfile可以导出数据到指定目录下的文件中
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语法：
SELECT ... INTO OUTFILE 'file_name'
[CHARACTER SET charset_name]
[export_options]
export_options:
[{FIELDS | COLUMNS}
[TERMINATED BY 'string']
[[OPTIONALLY] ENCLOSED BY 'char']
[ESCAPED BY 'char']
]
[LINES
[STARTING BY 'string']
[TERMINATED BY 'string']
2、示例如下：
1）查看要导出数据的表t1
MySQL> select * from t1; +------+--------+ | id | name | +------+--------+ | 1 | wang | | 2 | steven | | 3 | tiger | | 4 | lilu | +------+--------+ 4 rows in set (0.00 sec)
2）查看导出的文件
[mysql@oneproxy outfile]$ more t1.file 1,"wang" 2,"steven" 3,"tiger" 4,"lilu"
3）创建要导入的表t2;
mysql> create table t2 as select * from t1 where 1=2; Query OK, 0 rows affected (0.03 sec)
4）将导出的数据导入t2
mysql> LOAD DATA INFILE '/mysql/outfile/t1.file' INTO TABLE t2 FIELDS TERMINATED BY ',' ENCLOSED BY '"' LINES TERMINATED BY '\n'; Query OK, 4 rows affected (0.01 sec) Records: 4 Deleted: 0 Skipped: 0 Warnings: 0
5）查看导入的数据
mysql> select * from t2; +------+--------+ | id | name | +------+--------+ | 1 | wang | | 2 | steven | | 3 | tiger | | 4 | lilu | +------+--------+ 4 rows in set (0.00 sec)
