Use mysql_num_rows() to find out how many rows were returned for a SELECT statement or mysql_affected_rows() to find out how many rows were affected by a DELETE, INSERT, REPLACE, or UPDATE statement. MySQL version is 3.23.49. The data in the rows of a MySQL table can be modified with the SQL command INSERT… For UPDATE, affected rows is by default the number of rows that were actually changed. Same UPDATE instruction works fine when executed manually multiple times in MySQL command-line, etc. The number of rows affected by SQL Update can be returned using SQL%ROWCOUNT (For ORACLE) or @@ROWCOUNT(FOR SQL SERVER) Note: In order to return the number of rows updated, deleted, etc.. we have to use OUT Parameter in Stored Procedure which will store the number of rows updated,deleted etc.. The mysqli_stmt_affected_rows() function returns the number of rows affected (changed, deleted, inserted) by the recently executed statement.. The package provides global mysql_* functions that can be used when the original MySQL extension is not available. It can be used to specify any condition using the WHERE clause. Problem does not occur in MyISAM. Hàm mysql_affected_rows() trong PHP Đăng bởi: phungminhduong - Vào ngày: 14-05-2017 - View: 868 Hàm mysql_affected_rows() sẽ lấy về số hàng đã bị ảnh hưởng bởi các câu truy vấn INSERT, UPDATE, REPLACE hoặc DELETE vừa truy vấn gần nhất. MySQL returns 2 (number of rows affected) which will be the return value of mysqli_affected_rows() if you ran the query in a PHP script. Syntax : The basic syntax of the Update Query is – mysql_affected_rowsGet number of affected rows in previous MySQL operation (PHP 4, PHP 5, PECL mysql:1.0) int mysql_affected_rows ( [resource link_identifier] ) Get the number of affected rows by the last INSERT, UPDATE, REPLACE or DELETE query associated with link_identifier. Definition and Usage. The mysql function mysql_affected_rows() will return the number of rows or records affected by any update, insert or delete query. Returns the number of affected rows on success, or -1 if the last operation failed. To update values in multiple columns, you use a list of comma-separated assignments by supplying a value in each column’s assignment in the form of a literal value, an expression, or a subquery. If you need to know the number of rows affected by the SELECT query you need to use the mysqli_stmt_num_rows() function. Returns the number of affected rows on success, and -1 if the last query failed. If the last query was a DELETE query with no WHERE clause, all of the records will have been deleted from the table but this function will return zero with MySQL versions prior to 4.1.2. Important: be careful when executing UPDATE and DELETE statements. Code Examples / Notes » mssql_rows_affected rowan dot collins Note that, as the page says, this function expects an MSSQL *Link* resource, not a *result* resource. MySQL.php This package can be used to access MySQL databases using PDO wrapper functions. Note: This function used to be called pg_cmdtuples(). We can test the success of any updating like change of password by a user and accordingly display success or failure message. Return Values. The MySQL manual says that the update statement returns the number of affected rows. Thank you. About the mysql PHP extensions, in local I've installed mysql, mysqli and mysqlnd: on the other machine I've got mysql and mysqli. Return Values Returns the number of affected rows on success, and -1 if the last query failed. > >Is there an easy way to get MySQL always return the > >number of rows matched in an UPDATE? The way we've been doing it in the past has been performing the update and then doing a … MySQL Database MySQL Connect MySQL Create DB MySQL Create Table MySQL Insert Data MySQL Get Last ID MySQL Insert Multiple MySQL Prepared MySQL Select Data MySQL Where MySQL Order By MySQL Delete Data MySQL Update Data MySQL Limit Data PHP XML PHP XML Parsers PHP SimpleXML Parser PHP SimpleXML - Get PHP XML Expat PHP XML DOM PHP - AJAX It can be used to update one or more field at the same time. Is there someone with some clues about the possible reason? If the last query was a DELETE query with no WHERE clause, all of the records will have been deleted from the table but this function will return zero with MySQL versions prior to 4.1.2. operator in place of = operator which will select only two rows to be updated. Return Values. The PDOStatement::rowCount() at the end of the example returns the number of rows affected by the last SQL query, just like the mysqli_affected_rows() function does. 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