Hi @Vision Intelligence,
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We would like to inform you that, The billing should be comparable when you choose Azure Database for PostgreSQL - Single Server and Azure Database for PostgreSQL – flexible Server. Hence, Complete the migration to Flexible Server before your reservation ends in January. This will ensure you can purchase a Flexible Server reservation immediately, maintaining cost reductions without a gap in coverage.
Azure Database for PostgreSQL - Single Server is on the retirement path and is scheduled to retire by March 28, 2025. We strongly recommend that you upgrade to Azure Database for PostgreSQL - Flexible Server.
Azure Database for PostgreSQL flexible server is a fully managed database service designed to provide more granular control and flexibility over database management functions and configuration settings. In general, the service provides more flexibility and customizations based on the user requirements.
Azure Database for PostgreSQL - Flexible Server helps you save money by prepaying for compute resources, compared to pay-as-you-go prices. With Azure Database for PostgreSQL - Flexible Server reserved capacity, you make an upfront commitment on Azure Database for PostgreSQL - Flexible Server for a one-year or three-year period. This commitment gives you a significant discount on the compute costs.
Please refer to the below mentioned links for more information.
https://zcusa.951200.xyz/en-us/azure/postgresql/flexible-server/service-overview
https://zcusa.951200.xyz/en-us/azure/postgresql/migrate/whats-happening-to-postgresql-single-server
I hope, This response will address your query and helped you to overcome on your challenges.
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