how to close database connection in php

What is a long connection? In fact, long connection is relative to the usual short connection, that is, long time to maintain the client and server connection state. The usual short connection procedure is: Connection-"data transfer-" close

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

SummaryThis paper introduces the principle and problems of Java Access database, puts forward the solution-database connection pool, analyzes its key problems, constructs a simple and easy-to-use connection pool and illustrates how it is used in

Introduction In recent years, with the rapid development of Internet/Intranet network construction technology and the rapid popularization in the world Applications have been switched from traditional desktop applications to Web applications. The

PHP programmers should know that connecting to a MySQL database can use the Mysql_pconnect (permalink) function, the use of a database permanent connection can improve efficiency, but the actual application of persistent database connection will

Soon after I learned php, I was writing a graduation project using php, but I made a mistake in database connection. I first used the configuration file method in config. inc. some database connection parameters are set in php, such as database name

This article mainly introduces the PHP script and related information about connecting to the mysql database using JAVA. If you need it, you can refer to the following environment. Development Kit: appserv-win32-2.5.10 Server: Apache2.2 Database:

This article mainly introduces the PHP script and related information about connecting to the mysql database using JAVA. if you need it, you can refer to the following environment. Development Kit: appserv-win32-2.5.10 Server: Apache2.2 Database:

PHP programmers should know that connecting to a MySQL database can use the Mysql_pconnect (permanent connection) function, the use of database permanent connection can improve efficiency, but the actual application of the database permanent

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 :