Hello is possible to have an extraction of code, groupname in a sql table?

With Members too.

Have a look on the Group Management Tempo Application in the shared Component. it will give you a complete a nice View of all the groups in your Environment with membership informations. i think it would be a good starting point.

It's possible but you have to create and maintain the tables yourself - usually with a process set to run nightly and update the tables.

If you have a process for creating and managing group permissions you could even tie updates of those tables into that process.