# Official Sources — Huawei Live GaussDB Mutation Guard

Authoritative Huawei Cloud documentation for GaussDB, RDS, and CBR backup operations.

## Core References

- **GaussDB for MySQL** — https://support.huaweicloud.com/intl/en-us/gaussdb_mysql/index.html
  GaussDB for MySQL product documentation covering instance management, backup, HA, and connection pooling.

- **RDS** — https://support.huaweicloud.com/intl/en-us/rds/index.html
  Relational Database Service documentation covering MySQL, PostgreSQL, SQL Server instance lifecycle and backup policies.

- **CBR (Cloud Backup and Recovery)** — https://support.huaweicloud.com/intl/en-us/cbr/index.html
  Cloud Backup and Recovery documentation covering vault management, backup policy configuration, and database restoration.
