Hypersonic SQL - Hypersonic SQL is an Open Source relational database server with SQL syntax and JDBC interface. Hypersonic SQL Hypersonic SQL is an Open Source relational database server with SQL syntax and JDBC interface.
Source code is included.
Tables, indices, transactions, joins, referential integrity, security mechanism. Very small footprint. Up to 10 times faster than commercial databases. The data will be lost if the program is closed. The QueryTool and the database are running inside the internet browser.