importsqlite3# 连接到SQLite数据库conn = sqlite3.connect('example.db') cursor = conn.cursor()# 执行查询cursor.execute("SELECT * FROM users")# 获取查询结果rows = cursor.fetchall()forrowinrows:print(row)# 关闭连接conn.close() fetchall()方法返回查询结果的所有行。你也可以使用fetchone()方法获...
import sqlite3 conn = sqlite3.connect('test.db') c = conn.cursor() print ("数据库打开成功") cursor = c.execute("SELECT id, name, address, salary from COMPANY") for row in cursor: print "ID = ", row[0] print "NAME = ", row[1] print "ADDRESS = ", row[2] print "SALARY ...
#!/usr/bin/python import sqlite3 conn = sqlite3.connect('test.db') c = conn.cursor() print "Opened database successfully"; cursor = c.execute("SELECT id, name, address, salary from COMPANY") for row in cursor: print "ID = ", row[0] print "NAME = ", row[1] print "ADDRESS ...
Python下操作sqlite3 importsqlite3 dbpath='C:\\Django\\workplace\\sf\\d1.sqlite3'conn=sqlite3.connect(dbpath) cu=conn.cursor()#Update row.cu.execute('update sinfors_hvsrvs set freedisk="1000" where serverip="10.160.26.30"') conn.commit()#Select datas.cu.execute('select * from sinfors...
>>>sqlite3.Row#行对象<class'sqlite3.Row'> >>>sqlite3.connect(dbname)#函数,连接到数据库,返回connect对象 Traceback (most recent call last): File"<pyshell#8>", line1,in<module>sqlite3.connect(dbname)#函数,连接到数据库,返回connect对象 ...
# coding:utf-8 import sqlite3 # 创建或连接数据库 conn = sqlite3.connect("test.db") # 更新数据 conn.execute("UPDATE user SET password = '888888' WHERE user_id = 1;") conn.commit() # 查询数据 cursor = conn.execute("SELECT * FROM user") for row in cursor.fetchall(): print(row...
#!/usr/bin/python import sqlite3 conn = sqlite3.connect('test.db') print "Opened database successfully"; cursor = conn.execute("SELECT id, name, address, salary from COMPANY") for row in cursor: print "ID = ", row[0] print "NAME = ", row[1] print "ADDRESS = ", row[2] ...
import sqlite3 conn = sqlite3.connect('test.db') c = conn.cursor() print "Opened database successfully" cursor = c.execute("SELECT id, name, address, salary from COMPANY") for row in cursor: print "ID = ", row[0] print "NAME = ", row[1] ...
1. Python 中使用 SQLite3 在开始之前,我们需要安装 Python 的 SQLite3 模块。如果你还没有安装,可以使用以下命令进行安装: pip install sqlite3 1. 安装完成后,我们可以使用以下代码导入 SQLite3 模块: importsqlite3 1. 接下来,我们需要连接到数据库。使用以下代码连接到一个已存在的数据库或创建一个新的数据...
Python SQLite3操作指南 SQLite是一个轻量级数据库,Python通过sqlite3模块提供了调用接口,本文通过一个简单例子,对sqlite3模块的基本接口使用方法进行简单的说明。 1. 模块导入 import sqlite3 2. 创建连接 导入模块后,开始连接数据库,首先定义存储数据库文件的名称,本例中是meter.db,存放在当前目录下面。第一次调用...