Project Summary
H2 is an SQL database engine written in Java. It is very fast and small (about 1 MB), and supports embedded, server, and clustering modes. A browser based console application is included. Disk based and in-memory tables and databases are supported.
Some of its features are transactions isolation, multi-version concurrency (MVCC), table level locking, encrypted databases, fulltext search, and strong security.
The main API is JDBC, however ODBC and others are also supported via PostgreSQL network protocol compatibility.
In a Nutshell, H2 Database Engine...
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has a well established, mature codebase
maintained by a large development team
with decreasing Y-O-Y commits -
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took an estimated 76 years of effort (COCOMO model)
starting with its first commit in December, 2006
ending with its most recent commit 3 days ago
Quick Reference
Eclipse Public License 1.0
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These details are provided for information only. No information here is legal advice and should not be used as such.
Mozilla Public License 1.1
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Commercial Use
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Forbidden
Sub-License
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Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
Include Install Instructions
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
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30 Day SummaryMar 23 2025 — Apr 22 2025
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12 Month SummaryApr 22 2024 — Apr 22 2025
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