汉英对照:
Chinese-English Translation:
数据运维服务是指针对用户数据库开展的软件安装、配置优化、备份策略选择及实施、数据恢复、数据迁移、故障排除、预防性巡检等一系列服务。
Data operation and maintenance service refers to a series of services such as software installation, configuration optimization, backup strategy selection and implementation, data recovery, data migration, troubleshooting, preventive inspection and so on.
数据库运维服务是指：针对用户数据库开展的软件安装、配置优化、备份策略选择及实施、数据恢复、数据迁移、故障排除、预防性巡检等一系列服务。
Database operation and maintenance service refers to a series of services such as software installation, configuration optimization, backup strategy selection and implementation, data recovery, data migration, troubleshooting, preventive inspection and so on.
主要服务内容如下：
The main services are as follows:
1、数据库安装与配置；主要指定制数据库安装配置方案，检查软件安装环境，安装数据库软件，完成数据库配置，并测试之；
1. Database installation and configuration: mainly specify the database installation configuration scheme, check the software installation environment, install the database software, complete the database configuration, and test it;
2、数据库性能优化： 主要是指核心参数调优，SQL 语句调优，性能评估方案的提供。
2. Database performance optimization: it mainly refers to the core parameter tuning, SQL statement tuning, and the provision of performance evaluation scheme.
3、数据库备份与恢复；主要是指本地、异地、同步、实时的分级备份与恢复方案及实施；
3. Database backup and recovery mainly refers to the local, remote, synchronous, real-time hierarchical backup and recovery scheme and implementation;
4、数据迁移：不同版本、不同厂商、不同结构数据库间的数据迁移；
4. Data migration: data migration between databases of different versions, manufacturers and structures;
5、故障排除；通过远程、上门等方式按服务级别实施故障排除
5. By the way of remote troubleshooting and troubleshooting
6、预防性巡检；定期提供预防性巡检，并完成系统参数、配置调优，及补丁分发、安装服务。
6. Preventive inspection: provide preventive inspection regularly, and complete system parameters, configuration optimization, patch distribution and installation services.
