Oracle: one query to output different where condition result -

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i've got following query output plots 3 rows , 3 columns. each "owner" want extract on same line "pdf" in common , "pdf" doesn't exist on second table.

do know other elegant , faster way show in same query output result of different conditions?

with temp      (select t.owner,                 (select flh_punto_erogazione                    dual                   exists                            (select 1                               netatemp.backlog_nobill_storico p                              p.flh_punto_erogazione = t.flh_punto_erogazione))                    "pdf in comune",                 (select flh_punto_erogazione                    dual                   not exists                            (select 1                               netatemp.backlog_nobill_storico p                              p.flh_punto_erogazione = t.flh_punto_erogazione))                    "pdf non in comune"            netatemp.tmp_backlog_nobilling2013_uff t)   select owner, count (distinct "pdf in comune") "pdf in comune", count (distinct "pdf non in comune") "pdf non in comune"     temp group owner

i used external join, hoped understood need:

select owner, sum(common) "pdf in comune", count(*) - sum(common) "pdf non in comune" (   select t.owner, p.flh_punto_erogazione,          decode(t.flh_punto_erogazione, null, 0, 1) common   netatemp.tmp_backlog_nobilling2013_uff t,        netatemp.backlog_nobill_storico p   p.flh_punto_erogazione (+) = t.flh_punto_erogazione ) group owner

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