How I can execute many queries in one page?

Question

I write this code but when I run it no output. There is no error but the problem no output.

How I can execute many queries in the same page?

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Answer 1

First: there is an error. You are missing a where in the first query:

$query = "SELECT * FROM `student_record` id = 201102887;";

has to be:

$query = "SELECT * FROM `student_record` where id = 201102887;";

That is sufficient to have a blank screen.

For the rest your code is ok, in line with the classical example from:

http://php.net/manual/en/mysqli.multi-query.php

What I wonder is if you really configured your server to execute php inside html.

Put this part of your code with the above correction in a .php file and you will see results:

I added the missing where and the closure of the connection.

By the way, I hope you are sure the records with those ids exist in your DB.