This document describes and compares the features supported by different types of TencentDB for MySQL instances, providing a guide for you to learn more about the features of all architectures and purchase instances according to your needs.
| Feature | High-Availability Edition | Finance Edition | Single-node High IO Edition | Basic Edition |
|---|---|---|---|---|
| Version | MySQL 5.7 | |||
| Number of nodes | 2 | 3 | 1 | 1 |
| Specification configuration | Up to 488 GB/6 TB | Up to 488 GB/6 TB | Up to 488 GB/6 TB | Up to 8 GB/1 TB |
| Upgrading Database Engine | Supported (MySQL 5.5、5.6) | Supported | Supported | Supported |
| Upgrading to Finance Edition | Supported | - | - | - |
| RO Instance | Supported (MySQL 5.6, 5.7 and 8.0) | Supported | Supported | - |
| DR Instance | Supported (MySQL 5.6, 5.7 and 8.0) | Supported | - | - |
| Account Management | Supported | Supported | - | Supported |
| Setting Instance Parameters | Supported | Supported | - | Supported |
| Backup Mode | Supported | Supported | - | - |
| Database Rollback | Supported | Supported | - | - |
| Data Import | Supported | Supported | Supported | - |
| Importing SQL Files | Supported | Supported | - | - |
| Security Group | Supported | Supported | Supported | - |
| Monitoring and Alarm | Supported | Supported | Supported | Supported |
| Operation Logs | Supported | Supported | Supported | Supported |
Note：
"-" in the table above indicates "unsupported".
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