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Which of the following statements is wrong when comparing RDS with self-built database?
A.
RDS features a high availability of 99.95% while self-built database requires you to implement data protection, primary-standby replication, and RAID all by yourself.
B.
RDS provides automatic backup while self-built database requires you to prepare storage space for backup copies and regularly verify that these copies can be restored.
C.
Self-built database supports quick deployment and elastic scaling.
D.
RDS requires no O&M while self-built database requires a dedicated DBA for maintenance, which results in high HR cost.
C. Self-built database supports quick deployment and elastic scaling.
RDS offers quick deployment and elastic scaling: With RDS, you can provision and deploy database instances quickly, and you can also scale them up or down based on your requirements with ease. It provides automated management and scaling features.
Self-built databases can be more challenging to deploy and scale: Building and managing your own database infrastructure requires more manual setup and maintenance, which can be time-consuming and may not offer the same level of scalability and ease of management as a fully managed service like RDS.
C. Self-built database supports quick deployment and elastic scaling.
ApsaraDB RDS is a stable, reliable, and scalable online database service that is built on top of Apsara Distributed File System and high-performance SSDs.
It provides a comprehensive portfolio of solutions for disaster recovery, backup, restoration, monitoring, and migration to facilitate database O&M.
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