plugin Extraction lets you define and execute elementary queries, and nest them within one another.
plugin also provides a graphical interface for easy extraction definition, execution and download of results.
To use plugin, 2 rights are required:
An extraction is defined by a file XML, hereafter referred to as the 'definition file'. This file contains all the queries, nested or not, which will then be executed.
The extraction process is shown on this page.
The definition of an extraction is described on this page.