H2 vs. HyperSQL DataBase vs. Oracle TimesTen vs. TurboSQL Comparison Chart

HSQLDB (HyperSQL DataBase) is the leading SQL relational database system written in Java. It offers a small, fast multithreaded and transactional database engine with in-memory and disk-based tables and supports embedded and server modes. It includes a powerful command line SQL tool and simple GUI query tools. HSQLDB supports the widest range of SQL Standard features seen in any open source database engine: SQL:2016 core language features and an extensive list of SQL:2016 optional features. It supports full Advanced ANSI-92 SQL with only two exceptions. Many extensions to the Standard, including syntax compatibility modes and features of other popular database engines, are also supported.

TurboSQL is a blazing-fast, AI-powered SQL desktop application designed to enhance developer productivity. Built on the Tauri framework, it offers near-native performance, ensuring that queries run instantly. It features a keyboard-first design, allowing users to execute actions swiftly without relying on a mouse. With smart organization capabilities, developers can neatly arrange their queries into folders and files, mirroring a typical coding environment. TurboSQL's built-in AI assistant can generate SQL queries from plain English, explain complex SQL statements, and autocomplete queries intelligently based on the database schema. The user interface is minimalistic and supports dark mode, providing a clean and enjoyable workspace. TurboSQL supports unlimited database connections and emphasizes a fully secure, local-first experience. It's tailored for developers who seek speed, simplicity, and efficiency in their SQL workflows. ​