LIST-INDEXES — Returns a list of database indexes.Function
owner
              A string, NIL or :all. 
            
databaseA database object which defaults to *default-database*.
on
              The name of a table as a string, symbol or SQL
              expression, a list of such names or NIL.
            
resultA list of strings.
Returns a list of strings representing index names in
      database which defaults to
      *default-database*. owner
      is NIL by default which means that only indexes owned by users
      are listed. If owner is a string denoting
      a user name, only indexes owned by owner
      are listed. If owner is
      :all then all indexes are listed.
      
 
         The keyword argument on limits the
         results to indexes on the specified tables. Meaningful values
         for on are NIL (the default) which
         means that all tables are considered, a string, symbol or SQL
         expression representing a table name in
         database or a list of such table
         identifiers.