您的意思是您想要带有课程名称的 SQL 吗?
SELECT u.id AS userid, u.firstname, u.lastname, u.email,
cc.id AS customcertid, cc.name AS customcertname,
c.id AS courseid, c.fullname AS coursename,
cci.timecreated AS timeawarded
FROM mdl_customcert_issues cci
JOIN mdl_customcert cc ON cc.id = cci.customcertid
JOIN mdl_course c ON c.id = cc.course
JOIN mdl_user u ON u.id = cci.userid
ORDER BY u.lastname, u.firstname, cc.name, c.fullname