Loading Jena databases

In the call yesterday, there was a question about loading databases and a
request for pointers on how to do it.

The easiest way is to use some of the command line utilities provided with
Jena in the "jena" package.

Javadoc:
http://jena.sourceforge.net/javadoc/jena/package-summary.html

The DB commands are:

dbcreate 
  Create a Jena model in a database. 
dblist 
  List all models in a databse. 
dbload 
  Load a file of data into a database. 
dbdump
  Dump a database 
dbremove 
  Remove a Jena model and all its data from a database. Use with care. 

So, create your database as per your choice of database system:

http://jena.sourceforge.net/DB/index.html

then use dbcreate/dbload to put data into a database.  The commands are all
very simple but they do do the operations in a single transaction which
speeds things up.

dbload does stream the RDF into the database (syntax type basd on file
extension) so it can read in large datasets.

	Andy