On 16/09/13 15:21, Márcio Vinicius wrote:
Andy, in relation to TDB have some application client to manage the files
for storing triples, such as phpMyAdmin or pgAdmin.
There's nothing of that kind in Jena itself - it would be nice for Fuseki
See JENA-420.
Cause I'm developing a large application and I think I need some
application that assist me file management has persisted.
thank you.
2013/9/16 Márcio Vinicius <[email protected]>
Andy, you cleared my doubts. I am developing an application that requires
a relational database (Postgres), because I register more than 60,000
objects, as well as users and etc..
Logo must use SDB. Thank you.
2013/9/15 Andy Seaborne <[email protected]>
On 13/09/13 21:18, Márcio Vinicius wrote:
Andy,
In Jena documentation, all the examples using the TDB does not
use
a relational database (MySQL or Postgres), is to use a bank or component
is
only TDB file?
(sorry - I don't understand the last part of that sentence)
It is recommended to use SDB on new projects? Because I read
that
it was not recommended.
We do not recommend using SDB for new projects. See [1]. There are cases
where SDB is necessary, typically where storing in an SQL databases is a
mandatory requirement of a project. However, SDB does not scale as well as
TDB and is slower. It does not get the same level of testing as other
components - the project relies on user reports and we do not have complete
coverage any more.
Andy
[1] The wording we use visible at:
http://jena.staging.apache.**org/documentation/sdb/<http://jena.staging.apache.org/documentation/sdb/>
and will be published to the main site in the next release.
thank.
2013/9/3 Andy Seaborne <[email protected]>
On 03/09/13 19:35, Márcio Vinicius wrote:
Dear, I have studied the Jena for some time and did some test
prototypes.
In recent studies found that the documentation indicates the TDB
component
for development of new applications, but all prototypes that had made
was
based on SDB.
Example of connection:
public Store getStore() {
StoreDesc storeDesc = new StoreDesc(LayoutType.****
LayoutTripleNodesHash,
DatabaseType.PostgreSQL);
JDBC.loadDriverPGSQL();
SDBConnection conn = new SDBConnection(Constants.DB_****URL,
Constants.DB_USER,
Constants.DB_PASSWD);
Store store = SDBFactory.connectStore(conn, storeDesc);
try {
if (!StoreUtils.isFormatted(****store)) {
store.getTableFormatter().****create();
}
} catch (SQLException e) {
e.printStackTrace();
}
return store;
}
How do I use the component TDB?
Hi there,
See
http://jena.apache.org/****documentation/tdb/<http://jena.apache.org/**documentation/tdb/>
<http://**jena.apache.org/documentation/**tdb/<http://jena.apache.org/documentation/tdb/>
The pattern is similar:
Dataset ds = TDBFactory.createDatatset(****directory) ;
and use the dataset as normal.
No formatting is necessary.
Andy
att
--
*Márcio Vinícius Oliveira Sena*
Bacharelando em Sistemas de Informação - UFG
Desenvolvedor Front-end no Laboratório de Tecnologia e Mídias Educacionais
- Labtime/UFG
Gerente de Projeto e Desenvolvedor Front-end
@marciosena17 <http://twitter.com/marciosena17>
