HSQLDB
HSQLDB is a relational database management system written in Java. It supports embedded and server modes, ACID transactions, standard SQL, JDBC API, and has a small footprint.
java
jdbc
sql
rdbms
embedded
server
HSQLDB: Lightweight Relational Database for Java
HSQLDB is a relational database management system written in Java. It supports embedded and server modes, ACID transactions, standard SQL, JDBC API, and has a small footprint.
What is HSQLDB?
HSQLDB (HyperSQL DataBase) is an open-source relational database management system (RDBMS) 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.
Key features of HSQLDB include:
- Full support for standard SQL, JDBC API and PCI drivers
- Embedded, in-process, memory-only operation as well as client-server modes
- Disk-based, persistent databases and tables
- ACID transactions with rollback and atomicity
- User authentication
- Small footprint (around 2MB jar file size) and fairly fast speed
HSQLDB is commonly used for development, testing and prototyping applications where a relational database is required but native performance is not essential. It offers a good balance of SQL standard compliance and a small runtime footprint.
HSQLDB Features
Features
- Relational database management system
- Written in Java
- Supports embedded and server modes
- Supports ACID transactions
- Implements SQL standards
- Provides JDBC API
- Small memory footprint
Pricing
- Open Source
Pros
Lightweight and fast
Easy to embed in Java applications
Open source with liberal license
Cross-platform
Active development and support
Cons
Lacks features of larger databases
Not ideal for large or complex applications
Limited ecosystem compared to MySQL, PostgreSQL etc
Not optimized for large datasets
Official Links
The Best HSQLDB Alternatives
Top Development and Databases and other similar apps like HSQLDB
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