mysql 导入数据

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mysqlimport
示例
[root@localhost ~]# mysqlimport -uroot -p123456 test /tmp/mytbl.txt;
约定:文件名的最后一部分为表名,以上语句导入到表mytbl
mysqlimport必须指定数据库,以上语句数据库为test

 导入csv

[root@localhost ~]# mysqlimport -uroot -p --local --lines-terminated-by="\r\n" --fields-terminated-by="," --fields-enclosed-by="\"" test /tmp/mytbl.csv


load data
示例
mysql> load data  infile '/tmp/mytbl.txt' into table mytbl CHARACTER SET gbk;
load data可以不指定数据库
以上语句中,mysql必须有/tmp/的读权限
导入csv
mysql> load data  infile '/tmp/mytbl.csv' into table mytbl fields terminated by ',' enclosed by '"' lines terminated by '\r\n'

处理重复主键
替换已有值
mysql> load data infile '/tmp/mytbl.txt' replace into table mytbl fields terminated by '\t' lines terminated by '\n'
表中已有则不导入
mysql> load data infile '/tmp/mytbl.csv' ignore into table mytbl fields terminated by ',' enclosed by '"' lines terminated by '\r\n'

跳过文件行
以下示例为跳过第一行
mysql> load data infile '/tmp/mytbl.txt' into table mytbl ignore 1 lines;

将windows本地文件导入到linux下的mysql数据库,加local
load data local infile 'C:/mytbl.txt' into table mytbl fields terminated by '\t' lines terminated by '\r\n'