Best SQL Databases for Tableau

RaimaDB, an embedded time series database that can be used for Edge and IoT devices, can run in-memory. It is a lightweight, secure, and extremely powerful RDBMS. It has been field tested by more than 20 000 developers around the world and has been deployed in excess of 25 000 000 times. RaimaDB is a high-performance, cross-platform embedded database optimized for mission-critical applications in industries such as IoT and edge computing. Its lightweight design makes it ideal for resource-constrained environments, supporting both in-memory and persistent storage options. RaimaDB offers flexible data modeling, including traditional relational models and direct relationships through network model sets. With ACID-compliant transactions and advanced indexing methods like B+Tree, Hash Table, R-Tree, and AVL-Tree, it ensures data reliability and efficiency. Built for real-time processing, it incorporates multi-version concurrency control (MVCC) and snapshot isolation, making it a robust solution for applications demanding speed and reliability.

SingleStore, previously known as MemSQL, is a highly scalable and distributed SQL database that can operate in any environment. It is designed to provide exceptional performance for both transactional and analytical tasks while utilizing well-known relational models. This database supports continuous data ingestion, enabling operational analytics critical for frontline business activities. With the capacity to handle millions of events each second, SingleStore ensures ACID transactions and allows for the simultaneous analysis of vast amounts of data across various formats, including relational SQL, JSON, geospatial, and full-text search. It excels in data ingestion performance at scale and incorporates built-in batch loading alongside real-time data pipelines. Leveraging ANSI SQL, SingleStore offers rapid query responses for both current and historical data, facilitating ad hoc analysis through business intelligence tools. Additionally, it empowers users to execute machine learning algorithms for immediate scoring and conduct geoanalytic queries in real-time, thereby enhancing decision-making processes. Furthermore, its versatility makes it a strong choice for organizations looking to derive insights from diverse data types efficiently.

Vertica is a high-performance enterprise analytics and data warehousing platform that enables organizations to process large-scale data workloads, advanced analytics, and AI applications across cloud, on-premises, and hybrid infrastructures. Acquired by Rocket Software, Vertica expands Rocket’s modernization portfolio by adding enterprise-grade analytics and artificial intelligence capabilities to mission-critical systems modernization. The platform is designed to help enterprises unlock the value of their data through fast query performance, scalable analytics, and AI-driven insights that support modern business operations and digital transformation initiatives. Vertica supports flexible deployment models including private cloud, public cloud, managed services, and on-premises environments, allowing organizations to modernize data infrastructure without being restricted to a single deployment strategy. The platform enables businesses to run advanced analytics and generative AI directly against trusted enterprise data while maintaining stability, governance, and operational performance. Vertica also complements Rocket Software’s DataEdge and ContentEdge solutions by creating a unified ecosystem for enterprise data integration, modernization, governance, and analytics. Organizations use Vertica to accelerate reporting, improve operational intelligence, optimize enterprise workloads, and drive faster data-driven decision-making across large-scale business environments. The platform is designed for enterprises that require scalable analytics, hybrid cloud flexibility, and AI-ready infrastructure for mission-critical systems modernization.