How to protect site from deleting database of php my admin?

Have a look into the below links.

https://blogs.msdn.microsoft.com/brian_swan/2010/03/04/whats-the-right-way-to-prevent-sql-injection-in-php-scripts/

http://php.net/manual/en/security.database.sql-injection.php

https://paragonie.com/blog/2015/05/preventing-sql-injection-in-php-applications-easy-and-definitive-guide

https://www.phpjabbers.com/how-to-prevent-sql-injection-with-php-php71.html

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I'm assuming there are SQL injection vulnerability?

http://www.wikihow.com/Prevent-SQL-Injection-in-PHP

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Hi,

I mean I want to protect my website database from inserting some query which remove all the data of the databases.

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Try to create two users one user for super admin with all access and another user with only select, insert, Alter.

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how the attack happen? through the application?

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