mdl_role[edit]
MariaDB [moodle_db]> show columns from mdl_role;
+-------------+--------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+-------------+--------------+------+-----+---------+----------------+
| id | bigint(10) | NO | PRI | NULL | auto_increment |
| name | varchar(255) | NO | | | |
| shortname | varchar(100) | NO | UNI | | |
| description | longtext | NO | | NULL | |
| sortorder | bigint(10) | NO | UNI | 0 | |
| archetype | varchar(30) | NO | | | |
+-------------+--------------+------+-----+---------+----------------+
mdl_role_allow_override[edit]
MariaDB [moodle_db]> show columns from mdl_role_allow_override;
+---------------+------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+---------------+------------+------+-----+---------+----------------+
| id | bigint(10) | NO | PRI | NULL | auto_increment |
| roleid | bigint(10) | NO | MUL | 0 | |
| allowoverride | bigint(10) | NO | MUL | 0 | |
+---------------+------------+------+-----+---------+----------------+
mdl_role_capabilities[edit]
MariaDB [moodle_db]> show columns from mdl_role_capabilities;
+--------------+--------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+--------------+--------------+------+-----+---------+----------------+
| id | bigint(10) | NO | PRI | NULL | auto_increment |
| contextid | bigint(10) | NO | MUL | 0 | |
| roleid | bigint(10) | NO | MUL | 0 | |
| capability | varchar(255) | NO | MUL | | |
| permission | bigint(10) | NO | | 0 | |
| timemodified | bigint(10) | NO | | 0 | |
| modifierid | bigint(10) | NO | MUL | 0 | |
+--------------+--------------+------+-----+---------+----------------+