Apache HAWQ

vs

QuestDB

Amazon DynamoDB is a key-value and document database that delivers single-digit millisecond performance at any scale. The database is fully managed, multiregion, multimaster, and durable with built-in security, backup and restore, and in-memory caching for enterprise-scale applications. Amazon DynamoDB is part of Amazon Web Services and integrates well with other cloud-based AWS products.

VoltDB is a blazingly fast NewSQL database management system that is specifically designed to run on modern scale-out architectures - fast, inexpensive servers connected via high-speed data networks. VoltDB is a popular choice for companies with high data throughput requirements, like in the telecommunications industry. 5G has changed the game for telcos, and new rules call for a new way of managing data. VoltDB is built for today’s massive data volume and complexity, allowing businesses to survive and thrive in the age of 5G, IoT, and whatever comes next.

Microsoft SQL Server is a proprietary relational database management system developed by Microsoft. The database uses Transact-SQL, or T-SQL, the Microsoft's implementation of SQL that adds a set of proprietary programming constructs. Microsoft SQL server are used by enterprise-scale companies such as JPMorgan Chase, Thermo Fisher Scientific and CDK Global for finance, manufacturing and business service applications. Microsoft SQL server is also released as a free version under the name Microsoft SQL Server Express.

TimescaleDB is a leading open-source relational database for time-series data. The database is provided as fully managed or self‑hosted software, giving the power of choice back to developers and organizations. Timescale gives you all the reliability and flexibility of PostgreSQL. It allows you to use regular SQL to construct queries to better understand your products and your users. While achieve 10-100x faster queries than PostgreSQL, InfluxDB, and MongoDB with native optimizations for time-series.

A Chinese developed open-source NewSQL database that supports analytical processing and hybrid transactional workloads. TiDB is licensed under the Apache 2.0 license and primarily developed by PingCAP, Inc. The database provides high availability with strong consistency and horizontal scaling and is compatible with MySQL.

OpenTSDB is a free and open-source distributed, scalable Time Series Database written on top of Apache HBase. OpenTSDB was designed to address a common need: store, index and serve metrics collected from computer systems such as network gear, operating systems and applications, at a large scale, and make this data easily accessible and graphable. OpenTSDB allows you to collect thousands of metrics from tens of thousands of hosts and applications, at a high rate and will never delete or downsample data and can easily store hundreds of billions of data points.