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)
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