mysql列 循环添加数据

import mysql.connector

# 连接数据库
mydb = mysql.connector.connect(
  host="localhost",
  user="yourusername",
  password="yourpassword",
  database="yourdatabase"
)

# 创建游标
mycursor = mydb.cursor()

# 插入数据的SQL语句模板
sql = "INSERT INTO yourtable (column1, column2) VALUES (%s, %s)"

# 循环添加数据
for i in range(10):
    val = (i, f"Data{i}")
    mycursor.execute(sql, val)

# 提交事务
mydb.commit()

print(mycursor.rowcount, "条记录已插入。")

# 关闭连接
mycursor.close()
mydb.close()

sql = "INSERT INTO yourtable (column1, column2) VALUES (%s, %s)"
val = [(i, f"Data{i}") for i in range(10)]
mycursor.executemany(sql, val)
mydb.commit()

ALTER TABLE yourtable ADD UNIQUE (column1);

mydb = mysql.connector.connect(
  host="localhost",
  user="yourusername",
  password="yourpassword",
  database="yourdatabase",
  connection_timeout=3600
)