How can integrate a graphical interface to insert data in my tables?

Answer 1

html and php is the most common way to create a graphical interface for SQL,however if your need is just a graphical way to create table columns and such phpmyadmin would do the trick if you are using a local server like wamp,lamp or xamp.if you are working on a web host most already have phpmyadmin pre installed

Answer 2

Try qt+mysql

Answer 3

try sqlite browser this can be helpful to create databases