Issue with an Update Query PhP

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I have numerous error checkers which the newly inputted code successfully meet the requirements of, however, the data doesnt seem to be going into the database. Its not updating, therefore i believe theres something wrong with my line of update code

"UPDATE user (user_username, user_first, user_last, user_email) VALUES ('$uname', '$first', '$last', '$email');";

Basically want the new information typed in my input boxes to be inserted into the database


Building on @Tim's answer, you should probably also use a prepared statement. The prepared statement will protect you from mysql injection, which could possibly destroy your database.

http://php.net/manual/en/pdo.prepared-statements.php

<?php
$stmt = $dbh->prepare("INSERT INTO user (user_username, user_first, user_last, user_email) VALUES (:usr, :first, :last, :email)");
$stmt->bindParam(':usr', $uname);
$stmt->bindParam(':first', $first);
$stmt->bindParam(':last', $last);
$stmt->bindParam(':email', $email);

$stmt->execute();

?>

PHP MySQL Update Data, Update Data In a MySQL Table Using MySQLi and PDO. The UPDATE statement is used to update existing records in a table: UPDATE table_name The MySQL UPDATE query is used to update existing records in a table in a MySQL database. It can be used to update one or more field at the same time. It can be used to specify any condition using the WHERE clause. Syntax : The basic syntax of the Update Query is – Implementation of Where Update Query :


You're not using the MySQL syntax for inserting a new row:

INSERT INTO tblName (col1, col2, col3) VALUES (x, y, z);

You have the UPDATE keyword instead.

PHP, PHP | MySQL UPDATE Query. The MySQL UPDATE query is used to update existing records in a table in a MySQL database. It can be used to update one or​  Notice the WHERE clause in the UPDATE syntax: The WHERE clause specifies which record or records that should be updated. If you omit the WHERE clause, all records will be updated! If you omit the WHERE clause, all records will be updated!


For inserting data you query will be

INSERT INTO user (user_username, user_first, user_last, user_email) 
VALUES ('$uname', '$first', '$last', '$email')

But if you want to UPDATE your data, you need use the UPDATE clause correctly.

How to Update Data in MySQL Database Table Using PHP, Let's make a SQL query using the UPDATE statement and WHERE clause, after that we will execute this query through passing it to the PHP mysqli_query()  Teams. Q&A for Work. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information


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mysql_error - Manual, Errors coming back from the MySQL database backend no longer issue warnings​. this updated function should work for all types of queries (using $result  In this tutorial you'll learn how to update the records in a MySQL table using PHP. Updating Database Table Data. The UPDATE statement is used to change or modify the existing records in a database table. This statement is typically used in conjugation with the WHERE clause to apply the changes to only those records that matches specific criteria.


MySQL INSERT ON DUPLICATE KEY UPDATE, When you insert a new row into a table if the row causes a duplicate in UNIQUE index or PRIMARY KEY , MySQL will issue an error. However, if you specify the  To update a data that already exist in the database, UPDATE statement is used. In the below example we update the employee data from MySQL database. we used 2 file for update data . database.php- To connecting database. update.php- TO retrieve data from database with a update option. update-process.php- TO update data from database.