Database connection is a limited and expensive resource. Database connection affects the performance indicators of the program. The database connection pool is proposed for this problem. The database connection pool is responsible for allocating, managing and releasing database connections. It allows applications to reuse An existing database connection instead of establishing a new one;
Release database connections whose idle time exceeds the maximum idle time to avoid missing database connections caused by not releasing database connections. This technology can significantly improve the performance of database operations.
Friends who need it can refer to it to facilitate everyone to learn PHP.
All resources on this site are contributed by netizens or reprinted by major download sites. Please check the integrity of the software yourself! All resources on this site are for learning reference only. Please do not use them for commercial purposes. Otherwise, you will be responsible for all consequences! If there is any infringement, please contact us to delete it. Contact information: admin@php.cn
Related Article
13Jul2016
PHP connection mysql database operation class. PHP connection mysql database operation class This is a relatively complete mysql operation class. Yesterday I wrote a simple code to connect to mysql database. Compared with this one, that one is the simplest.
13Jul2016
A practical php mysql database connection class. php tutorial mysql tutorial database tutorial connection class This database connection class will automatically load the sql anti-injection function, filter some sensitive sql query keywords, and also add judgment words
sqlserver database PHP entry-level connection to a class of mysql database29Jul2016
sqlserver database: sqlserver database PHP entry: a class to connect to the mysql database: project structure: running effect; conn.php copy code code is as follows:
13Jul2016
PHP mysql complete database connection class. php tutorial mysql tutorial complete database tutorial connection class */ class mysql { private $db_host; //database host private $db_user; //database user name private $db_pwd; //database user name password
29Jul2016
asp.net database connection: asp.net database connection integrates the previous PHP database connection class~~ to make a paging class!: I don’t know if there is a future for learning PHP~ The more I write, the more boring it becomes
21Jul2016
Mysql database operation class from a good guestbook. I got the mysql database operation class from a good guestbook. Friends who are new to PHP can refer to it. Copy the code. The code is as follows: ?php classmysql{ var$querynum=0; functionconnect($dbhost,$dbu
Hot Tools
Object-oriented php operation mssql class
Object-oriented php operation mssql class
Complete PHP operation MySQL database class
Complete PHP operation MySQL database class