php check connection to database

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Analysis of the difference between long connection and short connection in database

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

Database "persistent connection" and "short connection"

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

Database Connection Pool

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

Research and application of database connection pool technology based on JDBC

Data | database | database connection SummaryThis paper introduces the principle of Java Access database and its existing problems, puts forward the solution-database connection pool, analyzes its key problems, constructs a simple and easy-to-use

Research and Application of JDBC-based database connection pool technology

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 uses the database permanent connection method to operate MySQL

PHP programmers should know that they can use the mysql_pconnect (permanent connection) function to connect to the MySQL database. Using a permanent connection to the database can improve efficiency. However, in actual applications, permanent

In-depth discussion: PHP uses a database permanent connection to operate MySQL with non-_php tutorials

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

Php connection to Access database error and solution _ PHP Tutorial

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 :

In-depth discussion: PHP uses the database permanent connection method to operate the right and wrong of MySQL

This article provides a detailed analysis on the right and right of MySQL operations by using the database permanent connection method in PHP. For more information about how to connect to the MySQL database, PHP programmers should know that

Php connection to mysql database test instance-PHP Tutorial-php Tutorial

Php connection to the mysql database test instance. If you want php to connect to mysql, we need to know that php needs to be in php. the mysql module is enabled in ini. the specific enabling method is described later, next let's look at php

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