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The COUNT window function can be helpful to fasten the complex query, but it's not recommended to be used for a single table query. The patch is specifically for PostgreSQL, MariaDB and Oracle databases as they have better performance compared to MySQL and MSSQL. Although these databases support the COUNT window functions, the results indicate that the query runs slower when using them.
Moodle
Moodle is the World's Open Source Learning Platform, widely used around the world by countless universities, schools, companies, and all manner of organisations and individuals.
Moodle is designed to allow educators, administrators and learners to create personalised learning environments with a single robust, secure and integrated system.
Documentation
- Read our User documentation
- Discover our developer documentation
- Take a look at our demo site
Community
moodle.org is the central hub for the Moodle Community, with spaces for educators, administrators and developers to meet and work together.
You may also be interested in:
- attending a Moodle Moot
- our regular series of developer meetings
- the Moodle User Association
Installation and hosting
Moodle is Free, and Open Source software. You can easily download Moodle and run it on your own web server, however you may prefer to work with one of our experienced Moodle Partners.
Moodle also offers hosting through both MoodleCloud, and our partner network.
License
Moodle is provided freely as open source software, under version 3 of the GNU General Public License. For more information on our license see