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XMLDB Documentation

From MoodleDocs

XMLDB is Moodle's database abstraction layer -- it is the library of code that lets Moodle interact with and access the database.

In this page you will find links to all the XMLDB-related documentation.


  • Introduction: Where the general idea of XMLDB is explained.
  • Roadmap: An overall view of the process of implementing the XMLDB subsystem, with details for each point of the process.
  • Problems: A comprehensive list of issues that need to be determined/solved prior to incorporate them into the roadmap.



Bugs and new features

Database engine documentation

Here are convenient links to the reference documentation of the various database engines we support, should you need to check that something is supported by all of them:

See also