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selec
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...
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...
$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 ...
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 ...
conn = sqlite3.connect('my_database.db') 创建一个游标对象,用于执行SQL命令: 代码语言:javascript 复制 cursor = conn.cursor() 定义要创建的表的结构。例如,如果我们想要创建一个名为“users”的表,其中包含“id”(主键),“name”和“age”字段,我们可以这样定义表结构: 代码语言:javascript 复制 create_...
/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 ...
import sqlite3 conn = sqlite3.connect('my_data.db') c = conn.cursor() Execute a query that'll create auserstable withuser_idandusernamecolumns. c.execute('''CREATE TABLE users (user_id int, username text)''') Load CSV file into sqlite table ...
示例代码(使用sqlite3): import sqlite3with sqlite3.connect ("test.db ") as conn: cursor = conn.cursor () cursor.execute ("CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY KEY, name TEXT)") connmit () 运行 在这个示例中,sqlite3.connect ("test.db ")创建了一个数据库连接对象conn。