Home > Topics > php mysql > body text

What is the delete statement in php mysql

藏色散人
Release: 2020-10-30 09:09:02
Original
2939 people have browsed it

php mysql delete statement is Delete. The DELETE statement is used to delete rows from the database table. Its syntax is "DELETE FROM table_name WHERE some_column = some_value".

What is the delete statement in php mysql

Recommended tutorial: "PHP mysql"

PHP MySQL Delete

DELETE statement is used to delete rows from a database table.

Delete data in the database

The DELETE FROM statement is used to delete records from the database table.

Syntax

DELETE FROM table_name
WHERE some_column = some_value
Copy after login

Note: Please note the WHERE clause in DELETE syntax. The WHERE clause specifies which records need to be deleted. If you want to omit the WHERE clause, all records will be deleted!

To learn more about SQL, visit our SQL tutorials.

In order for PHP to execute the above statement, we must use the mysqli_query() function. This function is used to send a query or command to the MySQL connection.

Example

Please look at the "Persons" table below:

What is the delete statement in php mysql

##The following example deletes all LastName=' in the "Persons" table Griffin's record:

<?php
$con=mysqli_connect("localhost","username","password","database");
// 检测连接
if (mysqli_connect_errno())
{
    echo "连接失败: " . mysqli_connect_error();
}
mysqli_query($con,"DELETE FROM Persons WHERE LastName=&#39;Griffin&#39;");
mysqli_close($con);
?>
Copy after login

What is the delete statement in php mysql

The above is the detailed content of What is the delete statement in php mysql. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!