Problems with 802.1x

[Brekler Custodio]

Im sorry Alan, im learning how to use this forum.
So, i read everything there, BUT there is one thing you dont know, my native language isnt english, so its not that easy to understand everything there.On the Inner-tunnel i already put the SQL.
So, here is another question, how can i create an user on freeradius database and do a radtest with mschap ?Is that possible ?
Below is the part of inner-tunnel saying about SQL as i said i took off comment.
        #  This module takes care of EAP-MSCHAPv2 authentication.        #        #  It also sets the EAP-Type attribute in the request        #  attribute list to the EAP type from the packet.        #        #  The example below uses module failover to avoid querying all        #  of the following modules if the EAP module returns "ok".        #  Therefore, your LDAP and/or SQL servers will not be queried        #  for the many packets that go back and forth to set up TTLS        #  or PEAP.  The load on those servers will therefore be reduced.        #        eap {                ok = return        }
        #        #  Read the 'users' file        files
        #        #  Look in an SQL database.  The schema of the database        #  is meant to mirror the "users" file.        #        #  See "Authorization Queries" in sql.conf        sql
 		 	   		  
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