Complex sentence: Apache ObJectRelationalBridge (OJB) is an Object/Relational mapping tool that allows transparent persistence for Java Objects against relational databases, released on April 6th, 2005.
Split into simpler sentences: Apache ObJectRelationalBridge (OJB) is an Object/Relational mapping tool that allows transparent persistence for Java Objects against relational databases. Apache OJB was released on April 6th, 2005.