affected rows in php

How can I use the SQL aggregate function to obtain the number of affected rows for addition, deletion, and modification? It is usually very useful to calculate the number of rows returned or affected by a query before performing further operations.

This article mainly introduces how php uses the exec () function under PDO to query the number of affected rows after execution, and analyzes the exec () When php uses pdo for addition, deletion, and modification () implementation tips and

This article mainly introduces PHP using the PDO under the EXEC () function query after the execution of the affected rows of the method, combined with an instance of PHP in the use of PDO for the operation when the EXEC () function query operation

This article mainly introduces PHP using the PDO under the EXEC () function query after the execution of the affected rows of the method, combined with an instance of PHP in the use of PDO for the operation when the EXEC () function query operation

An exception occurred when php updated mysql to obtain the affected number of rows. I learned from manual that the mysql_affected_rows function will return abnormal values when the data before and after UPDATE is the same. The following is a

Mysql_affected_rows(PHP 3, PHP 4) Mysql_affected_rows -- gets the number of records affected by the previous MySQL operationDescriptionInt mysql_affected_rows ([Resource link_identifier]) Mysql_affected_rows () returns the number of rows affected by

thinkphp I executed an UPDATE statement to get to the number of rows affected Example: PHP Code $book = M (' book '), $data = Array (), $data [' shengcunqi '] = time (); $book->save ($data, Array (' where ' = ' = ' Shengcunqi = ' 0000-00-00

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.

This article to give your classmates about the Mysqli_affected_rows function in PHP return value, there is a need to know the friend can refer to. The number of rows affected by the update operation in Mysqli can have two return forms: 1. Returns

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