LIST-VIEWS — Returns a list of database views.
Function
owner
              A string, NIL or :all. 
            
databaseA database object which defaults to *default-database*.
resultA list of strings.
Returns a list of strings representing view names in
      database which defaults to
      *default-database*. owner
      is NIL by default which means that only views owned by users
      are listed. If owner is a string denoting
      a user name, only views owned by owner
      are listed. If owner is
      :all then all views are listed.
      
(list-views :owner "fred")
=> ("lenins_group")
(list-views :owner :all)
=> ("pg_user" "pg_rules" "pg_views" "pg_tables" "pg_indexes" "pg_stats"
    "pg_stat_all_tables" "pg_stat_sys_tables" "pg_stat_user_tables"
    "pg_statio_all_tables" "pg_statio_sys_tables" "pg_statio_user_tables"
    "pg_stat_all_indexes" "pg_stat_sys_indexes" "pg_stat_user_indexes"
    "pg_statio_all_indexes" "pg_statio_sys_indexes" "pg_statio_user_indexes"
    "pg_statio_all_sequences" "pg_statio_sys_sequences" 
    "pg_statio_user_sequences" "pg_stat_activity" "pg_stat_database" 
    "pg_locks" "pg_settings" "lenins_group")