column_name_list

column_name_list 
      ::= 
      column_name { "," column_name } 

This rule is called by

-> corresponding_column_list
-> derived_column_list
-> insert_column_list
-> join_column_list
-> privilege_column_list
-> ref_column_list
-> unique_column_list
-> updatability_clause
-> view_column_list