connector from mysql.connector import errorcode DB_NAME = 'employees' TABLES = {} TABLES['employees'] = ( "CREATE TABLE `employees` (" " `emp_no` int(11) NOT NULL AUTO_INCREMENT," " `birth_date` date NOT NULL," " `first_name` varchar(14) NOT NULL," " `last_name` varchar(16...
mycursor.execute("CREATE TABLE customers (id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(255), address VARCHAR(255))") 如果表格已经存在,可以使用ALTER TABLE关键字: 示例在现有表格上创建主键: importmysql.connector mydb = mysql.connector.connect( host="localhost", user="yourusername", password="...
Create a table named "customers": importmysql.connector mydb = mysql.connector.connect( host="localhost", user="yourusername", password="yourpassword", database="mydatabase" ) mycursor = mydb.cursor() mycursor.execute("CREATE TABLE customers (name VARCHAR(255), address VARCHAR(255))") ...
本章节我们为大家介绍使用 mysql-connector 来连接使用 MySQL, mysql-connector 是MySQL 官方提供的驱动器。我们可以使用 pip 命令来安装 mysql-connector:python -m pip install mysql-connector使用以下代码测试 mysql-connector 是否安装成功:demo_mysql_test.py: import mysql.connector...
except mysql.connector.Error as err: if err.errno == errorcode.ER_BAD_DB_ERROR: create_database(cursor) cnx.database = DB_NAME else: print(err) exit(1) TABLES_1={} TABLES_1['master'] = ( "CREATE TABLE `master` (" " `request_no` int(11) NOT NULL AUTO_INCREMENT," ...
Python MySQL 创建表 创建表 要在MySQL中创建表,可使用“CREATE TABLE”语句。 确保在创建连接时指定了数据库 示例 创建一个名为“customers”的表: importmysql.connector mydb = mysql.connector.connect( host="localhost", user="你的用户名", passwd="你的密码",...
准备工作:在开始连接之前,必须先在MySQL Workbench 中创建目标数据库(具体的一个 schema),比如student_test。 空白的数据库(schema): 第一步,安装相关的包并导入 ## Install and import packages # install mysql-connector-python: # pip3 install mysql-connector-python --allow-external mysql-connector-python...
2MySQL Connector/Python Python 程序使用 MySQL-Connector/Python 8.2.0。 初始化测试脚本代码: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 importmysql.connector cnx=mysql.connector.connect(user='python',passowrd='Passw0rd!Python',host='127.0.0.1',port='6450')cursor=cnx.cursor()query=("""...
import mysql.connector mydb = mysql.connector.connect( host="localhost", user="root", passwd="123456", database="runoob_db" ) mycursor = mydb.cursor() mycursor.execute("CREATE TABLE sites (name VARCHAR(255), url VARCHAR(255))") 3.5 查看数据表是否已存在 import mysql.connector mydb =...