• Relational Database Service

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  6. What Are the Differences Between RDS and Other Database Solutions?

What Are the Differences Between RDS and Other Database Solutions?

Table 1 Differences

Item

RDS

Self-Built Database Service

Service availability

See ECS documentation.

Requires self-guarantee, primary/standby relationship setup, and RAID setup.

Data reliability

See EVS documentation.

Requires self-guarantee, primary/standby relationship setup, and RAID setup.

System security

Defends against Anti-DDoS attacks and promptly repairs database security vulnerabilities.

Requires procurement of expensive devices and software, as well as manual detection and repair of security vulnerabilities.

Database backup

Supports automated backups.

You must find backup storage space to back up the database by yourself and periodically check whether backup data can be restored.

Hardware and software investment

Supports on-demand pricing and scaling without requiring hardware and software investment.

Requires large investment in database servers.

System hosting

Not required.

The hosting cost is high.

Maintenance cost

Not required.

Requires large manpower investment and professional database administrator (DBA) for maintenance.

Deployment and scaling

Supports elastic scaling, fast deployment, and on-demand enabling.

Requires procurement, deployment, and coordination of hardware.

Resource utilization

Charges users based on the resources actually used, resulting in high resource utilization.

Considers peak traffic, resulting in low resource utilization.