首先,我们用一个对象code与数据库code唯一标识数据,用字段属性(item)表去存字段的属性,如:字段中英文名、字段编码、字段的数据类型(整数,枚举,小数,时间)、字段长度、是否必须字段、是否公式字段、默认值等等。如:{“code”:“user_id”,“typeData”:“txt”,“length”:“100”,“isRequired
# 多字段动态插入mysql数据库中,data,添加字段 data = { 'code': 'sh000001' } table = 'stock_all_codes' keys = ', '.join(data.keys()) values = ', '.join(['%s'] * len(data)) sql = 'INSERT INTO {table}({keys}) VALUES ({values})'.format(table=table, keys=keys, values=valu...
importmysql.connector# 连接MySQL数据库conn=mysql.connector.connect(host="localhost",user="root",password="password",database="mydatabase")cursor=conn.cursor()# 查询数据cursor.execute("SELECT * FROM mytable")data=cursor.fetchall()# 生成insert语句forrecordindata:insert_sql="INSERT INTO mytable (...
http://www.runoob.com/mysql/mysql-data-types.html http://dev.mysql.com/doc/refman/5.7/en/data-type-overview.html 三、表内容操作 1、增 1 2 3 insert into 表(列名,列名...) values (值,值,值...) insert into 表(列名,列名...) values (值,值,值...),(值,值,值...) insert int...
connector cnx = mysql.connector.connect(user='scott', database='employees') cursor = cnx.cursor() tomorrow = datetime.now().date() + timedelta(days=1) add_employee = ("INSERT INTO employees " "(first_name, last_name, hire_date, gender, birth_date) " "VALUES (%s, %s, %s, %s, ...
( host="localhost", user="yourusername", password="yourpassword", database="yourdatabase" ) cursor = db.cursor() # 插入数据到MySQL sql = "INSERT INTO barcodes (value) VALUES (%s)" val = (barcode_value,) cursor.execute(sql, val) db.commit() print("Barcode saved to MySQL") cursor...
import mysql.connector from mysql.connector import errorcode # Obtain connection string information from the portal config = { 'host':'<mydemoserver>.mysql.database.azure.com', 'user':'<myadmin>', 'password':'<mypassword>', 'database':'<mydatabase>' } # Construct connection stringtry:...
MariaDB遵循与MySQL和其他基于SQL的系统相同的约定。在MariaDB中，分号（;）用作语句终止符来分隔各个SQL...
password='mysql_PW@327!xx', host='localhost', database='travel') # open cursor cursor = conn.cursor() # try to run code block try: # define INSERT statement add_manufacturer = ('INSERT INTO manufacturers ' '(manufacturer_id, manufacturer) ' 'VALUES (101, \'Airbus\')') # run INSER...
pipinstallmysql-connector-python pandas 1. 步骤2:连接到MySQL数据库 使用mysql-connector-python库连接到MySQL数据库。 importmysql.connector# 定义数据库连接参数config={'user':'your_username','password':'your_password','host':'localhost','database':'your_database','raise_on_warnings':True}# 连接...