H2 Database Engine vs UnQLite
H2 Database Engine
h2database.comUnQLite
unqlite.symisc.netSide by side
| Figure | H2 Database Engine | UnQLite |
|---|---|---|
| Price from | Free | $1,250/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 4 |
| Spec score · Embedded Databases | 8.1 (#9) | 8.0 (#13) |
| Downloads | The home page lists a Windows installer and an all platforms ZIP download. | The downloads page lists source code, a key/value-only package without the Jx9 document-store layer, documentation, and sample programs. |
| License | H2 is dual licensed under MPL 2.0 or EPL 1.0, and the license page says it can be integrated into and distributed with commercial applications. | UnQLite is open-source software released under the 2-Clause BSD license. |
| Purpose | H2 is a free SQL database written in Java. | UnQLite is an in-process, embedded NoSQL database engine that provides key/value and document-store interfaces. |
| Support | The home page directs users to Stack Overflow and a Google Group for support. | Public technical discussions and troubleshooting are directed to GitHub Issues, while professional support is available as a paid service on request. |
| Transactions | The feature list includes transaction support, multi version concurrency, and row level locking. | The maker describes UnQLite as transactional and ACID, with serializable transactions designed to remain atomic through crashes and power failures. |
Plans
UnQLite
- UnQLite open-source softwareFree
- Silver Sponsorship$15,000 a year
- Gold Sponsorship$50,000 a year
- Platinum SponsorshipPrice not published
In their own words
H2 Database Engine
H2 Database Engine is a free SQL database written in Java. It runs in embedded, server or mixed modes, with databases held on disk or in memory. H2 supports standard SQL and JDBC; server mode also accepts JDBC or ODBC over TCP/IP. A browser-based Console provides autocomplete. Listed database capabilities include transactions, multi-version concurrency and row-level locking, with JSON data support and high availability listed. Compatibility modes cover IBM DB2, Apache Derby, HSQLDB, MS SQL Server, MySQL, Oracle and PostgreSQL. Database files can use AES-128 encryption, while remote JDBC connections can use TLS. H2 is available for Linux, macOS and Windows, as an API, and for self-hosted or web deployment. It is dual licensed under MPL 2.0 or EPL 1.0, allowing integration into and distribution with commercial applications. The JAR is described as around 2.5 MB. The plan costs nothing.
UnQLite
UnQLite has no write-up on Specifiction yet; its figures are above.