Amazon Aurora DSQL: Which PostgreSQL Service Should I Use on AWS ?

Amazon Aurora's innovations at re:Invent 2024 may overwhelm users when choosing the right database. PostgreSQL is a popular choice due to its compatibility and access to a large pool of developers. RDS Aurora with PostgreSQL compatibility offers high operational efficiency and is suitable for applications needing high PostgreSQL compatibility. RDS Aurora Serverless v2 is cost-efficient for databases with varying activity levels. Aurora Limitless simplifies sharding management for applications designed to operate on multiple databases. Aurora DSQL offers a serverless experience with SQL features, closely adhering to the SQL standard. YugabyteDB is a PostgreSQL fork available in the AWS marketplace, providing high PostgreSQL compatibility and optimized for OLTP systems. Each service has its own strengths and weaknesses, making the choice dependent on specific application needs.