conn = sqlite3.connect('database.db') cur = conn.cursor() def createTable(): cmd = 'CREATE TABLE IF NOT EXISTS snippets (id INTEGER PRIMARY KEY AUTOINCREMENT, title VARCHAR(50), code VARCHAR NOT NULL)' cur.execute(cmd) conn.commit() def insertSnippets(): # convert the string to lo...
Opens a connection to the SQLite database file*database*. You can use":memory:"to open a database connection to a database that residesinRAM instead of on disk. 回到顶部 SQLite 3 的函数 打开SQLite数据库命令行窗口使用select命令运行 sqlite>#算数函数,注意SQLite 3命令无法识别#及其后的备注 sql...
py !/usr/bin/python import argparse import sqlite3 import re import sys important, create the file fileN = open('database.db', 'a+') def main(): # add all arguments needed # for argument that need FILE use [ type=argparse.FileType('r') ] parser = argparse.ArgumentParser(description...
connect)#列出sqlite3模块中的常量、函数和对象 Help on built-in function connect in module _sqlite3: connect(...) connect(database[, timeout, detect_types, isolation_level, check_same_thread, factory, cached_statements, uri]) Opens a connection to the SQLite database file *database*. You ...
$chmod +x sqlite.py $./sqlite.py Open database successfully 创建表下面的 Python 代码段将用于在先前创建的数据库中创建一个表:实例 #!/usr/bin/python import sqlite3 conn = sqlite3.connect('test.db') print ("数据库打开成功") c = conn.cursor() c.execute('''CREATE TABLE COMPANY (ID ...
from pathlib import Path Path('my_data.db').touch() A zero byte text file is a great starting point for a lightweight database! Creating sqlite table Create a database connection and cursor to execute queries. import sqlite3 conn = sqlite3.connect('my_data.db') c = conn.cursor() ...
def importData(path): # 数据库 createDataBase() database = sqlite3.connect("check.db") #文件类型 wildcard = ".xls" list = getFileList(path,wildcard,1) nfiles = len(list[0]) #文件名 file = list[0] #时间 time = list[1] #省份 province = list[2] # #文件类型 FileType = list...
/sqlite.py Open database successfully创建表下面的 Python 代码段将用于在先前创建的数据库中创建一个表:#!/usr/bin/python import sqlite3 conn = sqlite3.connect('test.db') print "Opened database successfully"; conn.execute('''CREATE TABLE COMPANY (ID INT PRIMARY KEY NOT NULL, NAME TEXT NOT ...
Open database successfully 创建表 下面的 Python 代码段将用于在先前创建的数据库中创建一个表: #!/usr/bin/python import sqlite3 conn = sqlite3.connect('test.db') print "Opened database successfully" c = conn.cursor() c.execute('''CREATE TABLE COMPANY ...
在Python中使用sqlite3: 连接数据库:conn=sqlite3.connect(filename),如果数据库不存在,会自动创建再连接。创建游标:cursor=conn.cursor(),SQL的游标是一种临时的数据库对象,即可以用来 存放在数据库表中的数据行副本,也可以指向存储在数据库中的数据行的指针。游标提供了在逐行的基础上操作表中数据的方法。