conn.commit() # 提交事务 print(mycursor.rowcount, "记录插入成功。 ID:", mycursor.lastrowid) # rowcount:影响的数据行数,lastrowid 新插入数据的主键值 批量插入 代码语言:javascript 复制 # 引入拓展 import mysql.connector # 连接配置 conn = mysql.connector.connect( host = '127.0.0.1', # 数据库...
connector mydb = mysql.connector.connect( host="localhost", user="root", passwd="123456", database="runoob_db" ) mycursor = mydb.cursor() sql = "INSERT INTO sites (name, url) VALUES (%s, %s)" val = ("RUNOOB", "https://www.runoob.com") mycursor.execute(sql, val) mydb.comm...
https://blog.csdn.net/TianYanRen111/article/details/128763175 mysql.connector 一、基本操作 importmysql.connector#导入MySQL驱动#打开数据库 firstconn = mysql.connector.connect(user='root', password='password', database='first') cursor = conn.cursor()#创建一个浮标cursor.execute('create table user ...
"mysql+mysqlconnector://username:password@host:port/database?auth_plugin=mysql_native_password" ) 数据库连接成功后,可以打印输出mysql.connector对象的地址! 三. 数据库的操作 A.单条插入语句; 生成一个cursor对象:(mysql.connector对象).cursor();例如: con=mysql.connector.connect(host="mysql地址",user="...
connection.commit()关闭连接：在完成数据库操作后，确保关闭数据库连接。# 关闭游标和连接 cursor.close()connection.close()完整的连接和查询代码如下：import mysql.connector # 替换以下信息为你的实际数据库信息 host = "localhost"user = "your_username"password = "your_password"database = "your_database"...
pip install mysql-connector-python 1. 连接到MySQL数据库 要与MySQL数据库进行交互,首先需要建立连接。这里是如何使用mysql.connector模块来连接数据库的一个例子: import mysql.connector from mysql.connector import Error try: connection = mysql.connector.connect( ...
demo_mysql_test.py: 给sites 表添加主键。 import mysql.connector mydb = mysql.connector.connect( host="localhost", user="root", passwd="123456", database="runoob_db" ) mycursor = mydb.cursor() mycursor.execute("ALTER TABLE sites ADD COLUMN id INT AUTO_INCREMENT PRIMARY KEY") 如果你...
# 1. 导入相关库 import pymysql # 2. 链接MySQL服务器 db = pymysql.connect(host='localhost' ...
mysql.connector# 创建一个连接对象cnx = mysql.connector.connect(user='username', password='password', host='localhost', database='mydatabase')# 创建一个游标对象cursor = cnx.cursor()# 执行DELETE语句query = "DELETE FROM mytable WHERE name = 'John'"cursor.execute(query)# 提交更改cnx.commit(...