HSQLDB vs XCache
A side-by-side look at HSQLDB and XCache. For an in-depth review of either product, follow the links below.
HSQLDB
Development
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.
javajdbcsqlrdbmsembeddedserver
XCache
Development
XCache is a free open source PHP opcode cache. It stores precompiled PHP bytecode in shared memory, improving PHP performance by removing the need to load and parse scripts on each request. It's easy to install and configure in PHP.
cachingperformanceopcodephp