如何将csv文件导入到MySQL？
将csv文件导入到MySQL
首先登录MySQL:
mysql -u root -p123456
创建数据表，保证字段和csv文件中的列一致
mysql> show DATABASES;
mysql> use TEST;
mysql> show TABLES;
mysql> CREATE TABLE mytable(
-> id INT NOT NULL AUTO_INCREMENT,
-> Qtime DATETIME NOT NULL,
-> Tprice FLOAT NOT NULL,
-> PRIMARY KEY ( id )
-> )ENGINE=InnoDB DEFAULT CHARSET=utf8;查看安全路径，也就是要将上传文件放到安全路径下，才能成功上传
mysql> show variables like '%secure%'; +--------------------------+-----------------------+ | Variable_name | Value | +--------------------------+-----------------------+ | require_secure_transport | OFF | | secure_auth | ON | | secure_file_priv | /var/lib/mysql-files/ | +--------------------------+-----------------------+
在终端中复制文件到安全路径
sudo cp /home/hadoop/文档/文件.csv /var/lib/mysql-files
然后在到mysql下执行
mysql> load data infile '/var/lib/mysql-files/文件.csv' into table mytable fields terminated by ',' optionally enclosed by '"' escaped by '"' lines terminated by '\n';
导出文件类似
mysql> select * from `table` load data infile '/文档/test.csv' fields terminated by ',' optionally enclosed by '"' escaped by '"' lines terminated by '\n';
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