Re: [MonetDB-users] rdf.sql missing from Mar2011 branch

18 Feb 2011

      On Fri, Feb 18, 2011 at 3:05 PM, Lefteris  wrote:
...
On Fri, Feb 18, 2011 at 1:59 PM, Fabian Groffen  wrote:
...
On 18-02-2011 14:58:12 +0200, Babis Nikolaou wrote:
...
...
...
When you create a new database after this file was
installed, it should get executed automatically.  In other words, newly
created database should have the schema.
What is the design decision for this? If i would like to have other
databases together with RDF ones, why should i have a predefined RDF
schema and then drop it?
This is not a predefined RDF schema. In order for the internal
relational representation of RDF to work, there is a need of some
information to be added to the SQL cataloque. That is the purpose of
the file 30_rdf.sql It does not affect the functionality of the
database nor the freedom to define whatever databases and schemas you
want.
But what is exactly that you want to do? I don't think it has to do
anything with the specific file (plus you can always drop it and rerun
it when you want indeed).
...
why would you drop it?
Because, it may be the case that i don't want to store RDF data in
this new database.
Let me explain further:

suppose I create a new database. Then, running mclient and connecting
to this database I can run the following query

select * from rdf.graph;

and get as answer the following relation:

+-------+--------+
| gname | gid |
+====+===+
+——+------+

This means, that each database a create, regardless the type of data
(RDF, structured) that will be stored, it is configured to a
predefined database schema, the one that 30_rdf.sql creates:
containing a two-columned table with name rdf.graph.

It does not seem logical to me to drop this schema and then create the
preferred one to store relational data.

Hope that i made my point clear now.

Thanks,
Babis
...
...
------------------------------------------------------------------------------
The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE:
Pinpoint memory and threading errors before they happen.
Find and fix more than 250 security defects in the development cycle.
Locate bottlenecks in serial and parallel code that limit performance.
http://p.sf.net/sfu/intel-dev2devfeb
_______________________________________________
MonetDB-users mailing list
MonetDB-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/monetdb-users
------------------------------------------------------------------------------
The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE:
Pinpoint memory and threading errors before they happen.
Find and fix more than 250 security defects in the development cycle.
Locate bottlenecks in serial and parallel code that limit performance.
http://p.sf.net/sfu/intel-dev2devfeb
_______________________________________________
MonetDB-users mailing list
MonetDB-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/monetdb-users