[ SQL ] SHOW COLUMNS FROM `edu_studentinfo` [ RunTime:0.000502s ]
[ SQL ] SELECT * FROM `edu_studentinfo` WHERE `stud_code` IS NULL LIMIT 1 [ RunTime:0.000773s ]
[ SQL ] SHOW COLUMNS FROM `edu_dicinfo` [ RunTime:0.000356s ]
[ 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:0.000272s ]
[ SQL ] SELECT * FROM `edu_dicinfo` WHERE `dic_type` = '1ef976f3-59e4-9c01-129e-8757deb9d14d' AND `pat_serialno` = 'e21a6def-9f5a-9c27-65b0-a69790807fdb' [ RunTime:0.000239s ]
[ SQL ] SELECT * FROM `edu_dicinfo` WHERE `dic_type` = '0c5ef086-a5f2-05d7-074c-62763d3208fb' AND `pat_serialno` = '474117ec-2f29-278d-9672-1df81f49b655' [ RunTime:0.000261s ]
[ SQL ] SHOW COLUMNS FROM `edu_courinfo` [ RunTime:0.000393s ]
[ SQL ] SELECT * FROM `edu_courinfo` WHERE `serial_no` = '4b2d5a618767518b5b167dc8829d782a' LIMIT 1 [ RunTime:0.000275s ]
[ SQL ] SHOW COLUMNS FROM `edu_coursectunit` [ RunTime:0.000360s ]
[ SQL ] SELECT * FROM `edu_coursectunit` WHERE `cour_serialno` = '4b2d5a618767518b5b167dc8829d782a' ORDER BY `video_index` [ RunTime:0.001233s ]
