[ SQL ] SHOW COLUMNS FROM `edu_studentinfo` [ RunTime:0.000435s ]
[ SQL ] SELECT * FROM `edu_studentinfo` WHERE `stud_code` IS NULL LIMIT 1 [ RunTime:0.000744s ]
[ SQL ] SHOW COLUMNS FROM `edu_dicinfo` [ RunTime:0.000293s ]
[ SQL ] SELECT * FROM `edu_dicinfo` WHERE `dic_type` = '1ef976f3-59e4-9c01-129e-8757deb9d14d' AND `pat_serialno` = 'a75bf3d5-91a3-4701-6f0f-076813e019f2' ORDER BY `dic_index` [ RunTime:0.000255s ]
[ SQL ] SELECT * FROM `edu_dicinfo` WHERE `dic_type` = '1ef976f3-59e4-9c01-129e-8757deb9d14d' AND `pat_serialno` = 'e21a6def-9f5a-9c27-65b0-a69790807fdb' [ RunTime:0.000226s ]
[ SQL ] SELECT * FROM `edu_dicinfo` WHERE `dic_type` = '0c5ef086-a5f2-05d7-074c-62763d3208fb' AND `pat_serialno` = '474117ec-2f29-278d-9672-1df81f49b655' [ RunTime:0.000278s ]
[ SQL ] SHOW COLUMNS FROM `edu_courinfo` [ RunTime:0.000387s ]
[ SQL ] SELECT * FROM `edu_courinfo` WHERE `serial_no` = '740ec4a503cc9ab58b6c6105b334105a' LIMIT 1 [ RunTime:0.000234s ]
[ SQL ] SHOW COLUMNS FROM `edu_coursectunit` [ RunTime:0.000323s ]
[ SQL ] SELECT * FROM `edu_coursectunit` WHERE `cour_serialno` = '740ec4a503cc9ab58b6c6105b334105a' ORDER BY `video_index` [ RunTime:0.001228s ]
