sql4o was written by Travis Reeder and provides an SQL interface to the db4o object datastore.
'org.datanucleus:sql4o:1.0.1'
<dependency>
<groupId>org.datanucleus</groupId>
<artifactId>sql4o</artifactId>
<version>1.0.1</version>
</dependency>
<dependency org="org.datanucleus" name="sql4o" rev="1.0.1"/>
"org.datanucleus", "sql4o", "1.0.1"