11. Delete Specific Row from Table Write a Python program to delete a specific row from a given SQLite table. Sample Solution: Python Code : importsqlite3fromsqlite3importErrordefsql_connection():try:conn=sqlite3.connect('mydatabase.db')returnconnexceptError:print(Error)defsql_table(conn):curs...
Use Python Variable in a query to Delete Row from SQLite table Most of the time, we need to delete a row from an SQLite table where the id passed at runtime. For example, when a user cancels his/her subscription, we need to delete the entry from a table as per the user id. In ...
importsqlite3# 连接到SQLite数据库conn = sqlite3.connect('example.db')# 设置Row工厂,以便查询结果返回字典conn.row_factory = sqlite3.Row cursor = conn.cursor()# 执行查询cursor.execute("SELECT * FROM users")# 获取查询结果,现在每一行都是一个字典rows = cursor.fetchall()forrowinrows:print(row[...
SQLite3 可使用 sqlite3 模块与 Python 进行集成。sqlite3 模块是由 Gerhard Haring 编写的。它提供了一个与 PEP 249 描述的 DB-API 2.0 规范兼容的 SQL 接口。您不需要单独安装该模块,因为 Python 2.5.x 以上版本默认自带了该模块。为了使用 sqlite3 模块,您首先必须创建一个表示数据库的连接对象,然后您可以...
# coding:utf-8 import sqlite3 # 创建或连接数据库 conn = sqlite3.connect("test.db") # 删除数据 conn.execute("DELETE FROM user WHERE user_name = 'python'") conn.commit() # 查询数据 cursor = conn.execute("SELECT * FROM user") for row in cursor.fetchall(): print(row) conn.close(...
打开Python 解释器或编写 Python 脚本,然后导入sqlite3模块: import sqlite3 1. cursor() 对象的方法 创建数据库、表格和插入数据 使用sqlite3.connect()方法来创建数据库连接,如果数据库不存在,该方法会自动创建数据库。 import sqlite3 # 连接到数据库,数据库文件是 example.db,如果文件不存在,会自动创建 ...
'SQLITE_ANALYZE','SQLITE_ATTACH','SQLITE_CREATE_INDEX','SQLITE_CREATE_TABLE','SQLITE_CREATE_TEMP_INDEX','SQLITE_CREATE_TEMP_TABLE','SQLITE_CREATE_TEMP_TRIGGER','SQLITE_CREATE_TEMP_VIEW','SQLITE_CREATE_TRIGGER','SQLITE_CREATE_VIEW','SQLITE_DELETE','SQLITE_DENY','SQLITE_DETACH','SQLITE_DROP...
sql ="insert|select|delete|update ..."# 创建删除表,表记录的crud操作 # 3.执行语句 cursor.execute(sql) # 4.提交事务 conn.commit() # 5.关闭db conn.close() 最近公司业务需要用脚本操作sqlite,sqlite作为轻量化的SQL数据库,与MySQL有点不同,记录下,方便自己方便他人。
#!/usr/bin/python import sqlite3 conn = sqlite3.connect('test.db') c = conn.cursor() print "Opened database successfully"; c.execute("DELETE from COMPANY where ID=2;") conn.commit() print "Total number of rows deleted :", conn.total_changes cursor = conn.execute("SELECT id, name...