Help Center/ Relational Database Service/ User Guide (Paris Region) / Introduction/ Product Series/ DB Instance Introduction
Updated on 2022-12-08 GMT+08:00
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DB Instance Introduction

Currently, RDS DB instances are classified into the following types:
  • Single
  • Primary/Standby

Different series support different DB engines and instance specifications.

Table 1 DB instance types

DB Instance Type

Description

Scenarios

Single

Uses a single-node architecture. More cost-effective than the mainstream primary/standby DB instances.
  • Personal learning
  • Microsites
  • Development and testing environment of small- and medium-sized enterprises

Primary/Standby

Uses an HA architecture with one master node and one slave node.
  • Production databases of large- and medium-sized enterprises
  • Applications for the Internet, Internet of Things (IoT), retail e-commerce sales, logistics, gaming, and other industries
Parent topic: Product Series