Which Embedded Database Is Right for Your Java Application: H2, HSQLDB, Derby, or Berkeley DB?

Comparing Java Embedded Databases: H2, HSQLDB, Derby, and Berkeley DB

When developing small Java applications for data management, choosing an embedded database is crucial. However, selecting the most appropriate option can be challenging for those unfamiliar with this subject.

H2 vs. HSQLDB

Both H2 and HSQLDB are popular embedded databases. HSQLDB is renowned for its stability and usage in OpenOffice, while H2 claims to offer higher performance. Ultimately, the choice between these two depends on the desired balance between performance and stability.

H2 vs. Derby

Derby is another option that is often bypassed due to its limitations. While it comes pre-installed with the Java Development Kit (JDK), its lack of support for SQL features, such as foreign keys and stored procedures, makes it less suitable for complex data management scenarios.

Berkeley DB

Unlike the other databases mentioned, Berkeley DB is primarily known as a key-value store. It is not a traditional relational database and may not be the best choice for managing finances, which typically requires storing and querying structured data.

Conclusion

Based on the provided requirements, HSQLDB or H2 would be suitable options. HSQLDB is stable and easy to use, while H2 offers better performance. The specific decision between the two depends on the desired balance between performance and stability.

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