mysqldump-h*.*.*.*-p-u username-p password mysql1 mysql2 mysql3>/data/backup/mysql_db.sql 1. 2. 4、同时备份多个库 格式:mysqldump-h主机IP-P端口-u用户名-p密码--databases 数据库名1数据库名2数据库名3>文件名.sql mysqldump-h*.*.*.*-p-u username-p password--databases mysql1 mysql2...
1. 2. mysqldump是mysql备份工具 dbname是要备份的数据库名 >表示输出到文件 3. 保存备份文件 备份数据后,我们需要保存备份文件到指定目录,可以使用以下命令: #保存备份文件cp backup.sql /path/to/backup/directory/ 1. 2. backup.sql是备份文件名 /path/to/backup/directory/是备份文件保存路径 4. 完成 至此...
https://www.sqlshack.com/how-to-backup-and-restore-mysql-databases-using-the-mysqldump-command/ mysqldump -uroot -p --all-databases > db0625.sql mysql -uroot -ppassword -h 172.0.0.1 create database: dbAbc //import data mysql -uroot -ppassword dbAbc < ~/db0625.sql...
mkdir -p $backup_dir; fi #简单写法 mysqldump -u root -p123456 users > /root/mysqlbackup/users-$filename.sql $tool -u $username -p$password $database_name > $backup_dir/$database_name-$dd.sql #写创建备份日志 echo "create $backup_dir/$database_name-$dd.dupm" >> $backup_dir/lo...
mysqldump-u$DB_USER-p$DB_PASSWORD$DB_NAME>$BACKUP_DIR/backup_$now.sql # 删除过期备份 find $BACKUP_DIR-type f-name"backup_*.sql"-mtime+7-exec rm{}\; 这个脚本在备份数据库后,使用find命令来查找指定目录下超过7天(mtime +7)的备份文件,并将其删除。
//$command = "mysqldump --opt -h $dbhost -u $dbuser -p $dbpass $dbname | gzip > $backupFile"; $command="mysqldump -h localhost -u root -p123456 guestbook > guestbook2-29.sql"; system($command); echo "success"; *** 备份MySQL数据库的命令 mysqldump -hhostname -uusername -ppassw...
I am trying to backup a DB called MAIN, using the following command, mysqldump -u root -p S33qual$$ main > mainbackup.sql This command gives me an error saying no such Database S33qual$$. If I leave the -p and password option out and hit enter it prompts me for the password, ...
//$command = “mysqldump –opt -h $dbhost -u $dbuser -p $dbpass $dbname | gzip > $backupFile”; $command=”mysqldump -h localhost -u root -p123456 guestbook > guestbook2-29.sql”; system($command); echo “success”; *** 备份MySQL数据库的命令 mysqldump -hhostname -uusername -p...
数据备份(Data Backup) 只是简单的对数据库进行备份,降低数据丢失的风险, 线下统计 用于报表等对数据时效性要求不高的场合。 负载均衡(Load Balance)、读写分离 主要用在MySQL集群,解决单点故障或做故障切换;以降低单台服务器的负载和风险,如实现读写分离,可以使得服务器访问负荷比较均衡。
3)xtrabackup:完全备份、增量备份以及高级部分备份 4)逻辑备份 三、mysqldump备份与恢复实验 1)准备条件:查看当前数据库状态 mysql>show databases;//查看己有的数据库; +---+|Database|+---+|information_schema||mydb||mysql||performance_schema||test|+---+5rowsinset(0.00sec)mysql>show tables;//查看...