【mysql】数据备份与恢复1、数据库的备份与恢复1.1备份整个数据库：[root@localhost~]#mysqldump-uroot-pschool>/opt/school.sqlbak//school是数据库Enterpassword:（数据库密码）恢复整个数据库方法一：mysql>createdatabaseschool;mysql>useschool;mysql>so