PHP update MySQL After the method of changing the number of rows, MySQL line number
The example in this article describes how to get a change in the number of rows after PHP updates mysql. Share to everyone for your reference. The specific analysis
Php updates mysql and obtains the method for changing the number of mysql rows. Php updates mysql to obtain the number of rows changed. This article describes how to obtain the number of rows changed after php updates mysql. Share it with you for
Essence: Read operation, with mysql_num_rows function, write operation with mysql_affected_rows functionmysql_num_rows () returns the number of rows in the result set. This command is valid only for SELECT statements. To get the number of rows
The following articles mainly describe the actual operation process of MySQL database return that affects the number of rows, we mainly introduce the specific operation steps of the application code when the MySQL database returns the affected
In PHP, mysqli_affected_rows analyzes the returned values of the number of rows, and mysqlinumrows. In PHP, the returned values of mysqli_affected_rows are analyzed. In this example, the returned values of mysqli_affected_rows are analyzed in PHP.
1. download MySql
1. download MySql
Open http://www.mysql.com/downloads/mysql/#downloads download in browser
My downloaded version is Red Hat 5 version of http://www.mysql.com/downloads/mirror.php? Id = 407552
Upload the file to the server, or
How to configure MySQL database server on CentOS
BitsCN.com accidentally found CentOS Professional Forum, remember: http://www.centospub.com
As a result, the initial learning configuration
This environment:
CentOS system,
Mysql-server (version
MySQL builds a series of multiple instances. The so-called multi-instance is to build and run multiple MySQL instances on one server. each instance uses different service ports and listens through different sockets. physically, each instance has an
Php updates mysql and obtains the number of changed rows. After updating mysql, a php instance obtains the number of changed rows. in php, the mysql function is provided to obtain the number of records affected by the last query: mysql_affected_rows
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