Amazon Aurora vs QuestDB

Amazon Aurora is a MySQL and PostgreSQL-compatible relational database service built for the cloud, offered as part of Amazon Web Services. It provides up to five times the throughput of standard MySQL and three times that of PostgreSQL with automatic scaling, replication, and backup.

QuestDB is High-performance time-series database with SQL support optimized for fast ingestion and real-time analytics.. It is available under a freemium model. This tool falls under the databases category.