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MYSQL数据库备份与恢复

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Release: 2016-06-07 15:47:10
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mysqldump -h主机名 -P端口 -u用户名 -p密码 (–database) 数据库名 文件名.sql 备份MySQL数据库的命令 mysqldump -hhostname -uusername -ppassword databasename backupfile.sql 备份MySQL数据库为带删除表的式,能够让该备份覆盖已有数据库而不需要手动删

mysqldump -h主机名  -P端口 -u用户名 -p密码 (–database) 数据库名 > 文件名.sql


备份MySQL数据库的命令

mysqldump -hhostname -uusername -ppassword databasename > backupfile.sql

备份MySQL数据库为带删除表的格式,能够让该备份覆盖已有数据库而不需要手动删除原有数据库。
mysqldump -–add-drop-table -uusername -ppassword databasename > backupfile.sql

直接将MySQL数据库压缩备份
mysqldump -hhostname -uusername -ppassword databasename | gzip > backupfile.sql.gz

备份MySQL数据库某个(些)表
mysqldump -hhostname -uusername -ppassword databasename specific_table1 specific_table2 > backupfile.sql

同时备份多个MySQL数据库
mysqldump -hhostname -uusername -ppassword –databases databasename1 databasename2 databasename3 > multibackupfile.sql

仅仅备份数据库结构
mysqldump –no-data –databases databasename1 databasename2 databasename3 > structurebackupfile.sql

备份服务器上所有数据库
mysqldump –all-databases > allbackupfile.sql

还原MySQL数据库的命令
mysql -hhostname -uusername -ppassword databasename
还原压缩的MySQL数据库
gunzip
将数据库转移到新服务器

mysqldump -uusername -ppassword databasename | mysql –host=*.*.*.* -C databasename

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JAVA代码调用命令的方法

			Process p = Runtime.getRuntime().exec("cmd /c mysqldump -h127.0.0.1 -P3306 -uroot -p123456  customer > d:/opt/customer/dbback/backupfile-1351022418812.sql");
			// 等待编译结束
			p.waitFor();
			// 检查返回码,看编译是否出错。
			int ret = p.exitValue();
			System.out.println(ret);
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