PDO (PHP Data Object) is a new feature of PHP 5. When Php 6 is ready, Php 6 uses PDO to process databases by default, by default, all the database extensions are moved to PECL, so we don't have php_mysql.dll and so on. So what should we do? We have
PDO (PHPDataObject) is new to PHP5. in PHP6, only PDO is used to process databases by default. we only need to keep pace with the times to learn about PDO. This is only an entry-level basic tutorial. PDO is a major new feature of PHP 5, because php4/
Repeat the questions replied to this POST. a result of imitating Baidu POST bar is to click a POST title on the POST list page to go to the POST homepage. after the value is queried in the database, click it to display the Post author and title
1. Connect to the database:
Cx = sqlite3.connect ('database. db'). cx is a database connection object and has the following operations:
Commit () -- transaction commit
Rollback () -- transaction rollback
Close () -- close a database
Instance 1. Obtain the MYSQL versionInstall mysql in windows for python Development
Download the EXE Installation File in MySQL-python Windows
Copy codeThe Code is as follows: #-*-coding: UTF-8 -*-
# Install mysql db for pythonImport MySQLdb as mdb
This article introduces various code instances and details such as Python operations on MYSQL, execution of SQL statements, obtaining result sets, traversing result sets, obtaining a field, obtaining the table field name, inserting images into the
Common functions of python database operations (create table insert count instance 1, obtain MYSQL version)
The code is as follows:
#-*-Coding: UTF-8 -*-# Install mysql db for pythonImport MySQLdb as mdbCon = NoneTry:# Method for connecting to
This article describes how to use common functions of python database operations: obtain mysql version, create tables, insert data, and slect to obtain data. for example, instance 1. obtain MYSQL version.
The code is as follows:
#-*-Coding: UTF-8
This article mainly introduces the python database client DB-API related information, need a friend can refer to the next
1. DB-API Overview
Python supports many different databases. The network protocol for communication with databases varies
After using PDO to connect to an Oracle database, get multiple article data, and the return value contains the resource ID, how do you get the content?
$data_f = $ocl->query($sql);print_r($data = $data_f->fetchAll(PDO::FETCH_ASSOC));
Try this, but
1. DB-API OverviewPython supports many different databases. The network protocol for communication with databases varies depending on the seller's server. In earlier versions of python, each database has its own python module. All these modules work
Instance 1. Obtain the MYSQL version
Copy codeThe Code is as follows:#-*-Coding: UTF-8 -*-# Install mysql db for pythonImport MySQLdb as mdbCon = NoneTry:# Method for connecting to mysql: connect ('IP', 'user', 'Password', 'dbname ')Con = mdb.
1 years ago, almost just opened the Bo that will share a pdo database operation class (can see: http://www.cnblogs.com/hooray/archive/2011/06/30/2094743.html), not so much is the class, in fact, just a few encapsulated functions, the overall
PDO is a major feature of PHP 5, because before PHP 5 php4/php3 are a bunch of database extensions to connect and process with each database, what Php_mysql.dll, Php_pgsql.dll, Php_mssql.dll, Php_ Sqlite.dll and so on to connect MySQL, PostgreSQL,
This article goes to Yuzi blog, the article Python connection MySQL, Welcome to visit yuchaoshui.com for more information!One, common MySQL connection method?? Use the module MySQLdb Normal mode connection.#!/usr/bin/env python# _*_ coding:utf-8
Pymysql is a python and MySQL interface library, here is a simple record of the use of Pymysql, environment for the Python3This article mainly refers to the "Python3 Network crawler Development Combat" in the part of the content of MySQL. , original
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