===== ETL Report: Technical guide =====

==== Rights and capabilities ====


==== Web services ====

=== report_etl_get: plugin extraction invocation ===

=== report_etl_get_sql: Raw record extraction by SQL ===

This web service is available independently of the extraction sub-plugins and allows raw retrieval of Moodle database records (including complex joins) through a generic web service.

Results are available as an XML record document encoded in UTF-8.

== Parameters ==

   * **sql**: the SQL query to run in Moodle. 

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