close db connection php

Before the Python Db-api, the application interface between the databases was very confusing and the implementations were different. If the project needs to replace the database, you need to make a lot of changes, very inconvenient. The advent of

Python Connection database learning DB-API details, pythondb-api Preface Everyone knows that if you want to connect to a database in Python, whether it is MySQL, SQL Server, PostgreSQL, or SQLite, the cursor method is used, so you have to learn

Before the PythonDB-API is available, the application interfaces of different databases are messy and their implementations are different. If the project needs to change the database, a lot of modifications are required, which is inconvenient. The

PHP Connection operation Access DB instance This article mainly introduces the PHP connection operation Access database instance, this article directly gives the implementation code, the need for friends can refer to the following Because the

PHP uses Redis persistent connection methods, phpredis connection details This article describes how PHP uses Redis persistent connection. We will share this with you for your reference. The details are as follows: Php-redis Project address on

PHP uses MySQL, from connection, creation, to display of results1PHP2 //Connect MySQL test3 $db=mysql_connect("localhost", "root", "Wenwen");4 if(!$db)5 {6 die(' Could not connect: '.Mysql_error());7 }8 Else9

Include ('./class/adodb/adodb.inc.php '); Instantiate DB class, link $db = adonewconnection (' ado_access '); $access = Realpath ('./rs.mdb '); $myDSN = ' provider=microsoft.jet.oledb.4.0; '. ' DATA source= '. $access. ';'." Jet oledb:database

Php connection Access database error and solution. There are two common methods for connecting php + access to the database. the recommended code should be noted that php uses realpath to obtain the path. the code for copying the code is as follows :

What is persistent connection?In fact, persistent connections are relative to common short connections, that is, to maintain the connection between the client and the server for a long time.The common short connection procedure is as

The 1.3 version of PHP MongoDB driver has rewritten the connection processing library, and there have been significant changes in both persistent connections and connection pooling compared to previous versions. Connection management for version 1.