SHOW FULL COLUMNS FROM `fa_config` [ RunTime:0.002831s ]
SELECT `value`,`name` FROM `fa_config` WHERE `name` IN ('name','beian','introduction','phone','department','qrcode','email','address') [ RunTime:0.000969s ]
SHOW FULL COLUMNS FROM `fa_course` [ RunTime:0.002297s ]
SELECT * FROM `fa_course` WHERE ( `id` = 4 ) AND `fa_course`.`deletetime` IS NULL LIMIT 1 [ RunTime:0.000963s ]
SHOW FULL COLUMNS FROM `fa_course_unit` [ RunTime:0.001915s ]
SELECT * FROM `fa_course_unit` WHERE `course_id` = 4 [ RunTime:0.000853s ]
SHOW FULL COLUMNS FROM `fa_course_content` [ RunTime:0.002117s ]
SELECT * FROM `fa_course_content` WHERE `unit_id` = 8 [ RunTime:0.000943s ]
SELECT `id` FROM `fa_course_unit` WHERE `course_id` = 4 ORDER BY `weigh` ASC LIMIT 1 [ RunTime:0.000729s ]
SELECT * FROM `fa_course_content` WHERE `course_id` = 4 AND `unit_id` = 8 ORDER BY `weigh` ASC LIMIT 1 [ RunTime:0.000823s ]
