导出 sqlite3 db.sqlite3 .dump > link.sql 执行语句 mysql -h192.168.1.60 -P3306 -uroot -proot -e "SELECT * FROM user \G" 改密码 mysqladmin -uroot -p123456 password 123 建数据库 CREATE DATABASE `mydb` CHARACTER SET utf8 COLLATE utf8_general_ci; \G 垂直显示 SELECT report_id FROM `weekly_report_content` WHERE report_id IN (381395,381437,380576,381359,381472)\G #备份 #备份某个库(cmdb)某些表(cmdb_cluster_hosts,多个空格隔开)的数据 mysqldump -h192.168.3.97 -t cmdb -u root -proot --tables cmdb_cluster_hosts > /root/cmdb_cluster_hosts.sql -P是端口 #导入 mysql -uroot -p test < test.sql #格式化时间 FROM_UNIXTIME(v.visit_time, '%Y-%m-%d') AS visit_time select request_data, FROM_UNIXTIME(create_time, '%Y-%m-%d %H:%i:%s') AS c_time from mytable order by id desc limit 10; 查总数是COUNT,但总和是 SUM !!!