ユーザーの回答記録を保存して分析する方法

CREATE TABLE user_answer (
    id INT PRIMARY KEY,
    user_id INT,
    answer_time DATETIME,
    answer_result VARCHAR(255)
);

INSERT INTO user_answer (user_id, answer_time, answer_result)
VALUES (1, '2022-01-01 09:05:30', 'A');

SELECT * FROM user_answer WHERE user_id = 1;

import pymysql

# 连接数据库
conn = pymysql.connect(host='localhost', user='root', password='password', database='test')

# 创建游标
cursor = conn.cursor()

# 查询答题次数
cursor.execute("SELECT COUNT(*) FROM user_answer WHERE user_id = 1;")
answer_count = cursor.fetchone()[0]

# 打印答题次数
print("用户答题次数：", answer_count)

# 关闭连接
cursor.close()
conn.close()

import pymysql

# 连接数据库
conn = pymysql.connect(host='localhost', user='root', password='password', database='test')

# 创建游标
cursor = conn.cursor()

# 查询答对题目的比例
cursor.execute("SELECT COUNT(*) FROM user_answer WHERE user_id = 1 AND answer_result = 'A';")
correct_count = cursor.fetchone()[0]

# 查询答题次数
cursor.execute("SELECT COUNT(*) FROM user_answer WHERE user_id = 1;")
answer_count = cursor.fetchone()[0]

# 计算答对题目的比例
correct_rate = correct_count / answer_count

# 打印答对题目的比例
print("用户答对题目的比例：", correct_rate)

# 关闭连接
cursor.close()
conn.close()