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Php Mysqli Multi Query Update Example Sentences

Multiple Insert, Update, Delete example using PHP & MySQLi On 6/02/2015 By. Using this script you can update or delete multiple rows of MySQL database at a time on checkboxes selection with multiple insert. The update query. Multiple Data Insert, Update, Delete with Example In this tutorial, I will show you how to perform multiple CRUD operations at a time using PHP, Javascript and MySQLI database.

Selected Reading

There may be a requirement where existing data in a MySQLi table needs to be modified. You can do so by using SQL UPDATE command. This will modify any field value of any MySQLi table.

Syntax

Here is generic SQL syntax of UPDATE command to modify data into MySQLi table −

You can update one or more field altogether.
You can specify any condition using WHERE clause.
You can update values in a single table at a time.

Mysqli Php Tutorial

The WHERE clause is very useful when you want to update selected rows in a table.

Updating Data from Command Prompt

This will use SQL UPDATE command with WHERE clause to update selected data into MySQLi table tutorials_inf.

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Example

Following example will update name field for a record having tutorial_inf.

Updating Data Using PHP Script

You can use SQL UPDATE command with or without WHERE CLAUSE into PHP function mysqli_query(). This function will execute SQL command in similar way it is executed at mysql> prompt.

Example

How To Use Mysqli

Try out the following example to update name field for a record.

Php Mysqli_multi_query() Function

The sample output should be like this −