char_set_name

char_set_name 
      ::= [ schema_name "." ] 
      sql_language_id 

This rule is called by

-> char_set_def
-> drop_char_set_stmt
-> implt_def_char_rep_name
-> implt_def_univ_char_name
-> object_name
-> schema_char_set_name
-> std_char_rep_name
-> std_univ_char_form_name
-> user_def_char_rep_name