Examination arrangement management method in the MySQL table structure design of the online examination system
With the popularization and development of the Internet, the online examination system has become a widespread use in the current education field A teaching and examination tool used. The MySQL table structure design of the online examination system plays a vital role in the stable operation of the system and examination arrangement management. This article will introduce in detail the examination arrangement management method in the MySQL table structure design of the online examination system, and provide specific code examples.
1. Requirements Analysis
Before designing the MySQL table structure, we first conduct a requirements analysis to clarify the functional requirements of the system. The examination arrangement management of the online examination system mainly includes the following aspects:
2. MySQL table structure design
Based on the above demand analysis, we can design the following MySQL table structure:
Type | Description | |
---|---|---|
int(11) | Exam ID, primary key | |
varchar(100) | Examination name | |
int(11) | Subject ID, foreign key associated chart of accounts | |
datetime | Exam time | |
... | Other fields |
Type | Description | |
---|---|---|
int(11) | Score ID, primary key | |
int(11) | Student ID, foreign key associated student table | |
int(11) | Exam ID, foreign key associated with the exam table | |
float | Test scores | |
... | Other fields |
Type | Description | |
---|---|---|
int(11) | Monitor ID, primary key | |
int(11) | Exam ID, foreign key associated with the exam table | |
int(1) | Monitoring status (0-normal, 1-cheating) | |
... | Other fields |
Description | ||
---|---|---|
Question ID, primary key | exam_id | |
Exam ID, foreign key associated exam table | question_content | |
Question content | ... | |
Other fields |
Description | ||
---|---|---|
Student ID, primary key | student_name | |
Student name | ... | |
Other fields |
Create exam information table
CREATE TABLE exam_info ( exam_id INT(11) AUTO_INCREMENT PRIMARY KEY, exam_name VARCHAR(100), subject_id INT(11), exam_time DATETIME, ... );
CREATE TABLE exam_score ( score_id INT(11) AUTO_INCREMENT PRIMARY KEY, student_id INT(11), exam_id INT(11), score FLOAT, ... );
CREATE TABLE exam_monitor ( monitor_id INT(11) AUTO_INCREMENT PRIMARY KEY, exam_id INT(11), monitor_status INT(1), ... );
CREATE TABLE exam_question ( question_id INT(11) AUTO_INCREMENT PRIMARY KEY, exam_id INT(11), question_content VARCHAR(500), ... );
CREATE TABLE student_info ( student_id INT(11) AUTO_INCREMENT PRIMARY KEY, student_name VARCHAR(50), ... );
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