<ol> <li>If you use the monthly subscription method to open two RDS MySQL general instances for 1 month with the computing specification of 1C8GB and storage specification of 50 GB in the East China 1 region, you need to pay 1716 RMB. The calculation method is 2 * (778 RMB/month + 50 GB * 1.6 RMB/GB/month) * 1 month.</li> <li>If you use the Pay-As-You-Go method to open one RDS PostgreSQL general instance for 1 hour with the computing specification of 1C8GB and storage specification of 50 GB in the East China 1 region, you need to pay 1.79 RMB. The calculation equation is (1.62 RMB/hour + 50 GB * 0.0034 RMB/GB/hour) * 1 hour.</li> <li>If you use the monthly subscription to open two RDS PostgreSQL general instances for 1 month with the computing specification of 1C8GB and storage specification of 50 GB in the East China 1 region, and then you open one intra-city read-only instance for 1 month with the computing specification of 1C8GB without resource backup, you need to pay 2145 RMB, namely 2 * (778 RMB/month + 50 GB * 1.6 RMB/GB/month) * 1 month + 1 * (389 RMB/month + 50 GB * 0.8 RMB/GB/month) * 1 month.</li> <li>If use the Pay-As-You-Go method to open one RDS MySQL general instance for 1 hour with the computing specification of 1C8GB and storage specification of 50 GB in the East China 1 region, and then open one remote read-only instance with the computing specification of 1C8GB, and one remote DR instance but without resource backup, you need to pay 3.58 RMB, namely (1.62 RMB/hour + 50 GB * 0.0034 RMB/GB/hour) * 1 hour + (0.81 RMB/hour + 50 GB * 0.0017 RMB/GB/hour) * 1 hour + (0.81 RMB/hour + 50 GB * 0.0017 RMB/GB/hour) * 1 hour.</li> </ol> <p><img src="https://obs-cn-shanghai.yun.pingan.com/pcp-portal/20200207095013-1c5418a99a93.png" style="height:22px; margin:0px; width:90px" />:</p> <p>You can use <a href="https://pinganyun.com/ssr/pricing/mysql/price" target="_blank">RDS MySQL Price Calculator</a> or <a href="https://pinganyun.com/ssr/pricing/postgresql/price" target="_blank">RDS PostgreSQL Price Calculator</a> provided by Ping An Cloud to calculate fees in different scenarios.</p>