php database connection function

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

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

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 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

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-implemented sqlite database connection class, sqlite database connection. The sqlite database connection class implemented by PHP. the sqlite database connection example in this article describes the sqlite database connection class implemented

Three major APIs for connecting php to the MySQL database server: mysql, mysqli, and pdo. Overview this section briefly introduces the options available when you need to interact with the Mysql database during PHP application development. What is

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 :