Can someone have alook at the problem below please and advise. I am stumped.
Regards
> -----Original Message-----
> From: jmydde - James Myddelton
> Sent: 09 February 2001 16:33
> To: lerobe - Lee Robertson
> Cc: rkilbe - Robert Kilbey
> Subject: [ Danone ] - Hung Oracle Query
>
>
> Lee,
>
> Since the database was bounced Thursday morning I have a query which no
> longer runs - it just hangs. If I take out the join to X_CITY it works
> fine. I haven't changed any indexes and all the indexes are correct.
> Any ideas ?
>
> James
>
> SELECT i.surname
> FROM changed_hh_keys chh,
> household h,
> address a,
> x_city c,
> individual i,
> consumer_phone cp,
> consumer_email ce
> WHERE h.household_id = chh.household_id
> AND a.household_id = h.household_id
> AND i.household_id = h.household_id
> AND i.consumer_type_code != 'H'
> AND c.city_code = a.city_code
> AND cp.consumer_id(+) = i.household_id
> AND ce.consumer_id(+) = i.individual_id;
>
> SELECT STATEMENT Optimizer=CHOOSE (Cost=7224597105017
> Card=8024558972338880000000 Bytes=1492567968855030000000000)
> NESTED LOOPS (Cost=7224597105017 Card=8024558972338880000000
> Bytes=1492567968855030000000000)
> MERGE JOIN (OUTER) (Cost=7224597105017 Card=501781749669299000
> Bytes=86808242692788700000)
> SORT (JOIN) (Cost=7224597102585 Card=69188658282644
> Bytes=11070185325223000)
> NESTED LOOPS (Cost=3327368730 Card=69188658282644
> Bytes=11070185325223000)
> MERGE JOIN (Cost=3327368730 Card=6918865828264370
> Bytes=1017073276754860000)
> SORT (JOIN) (Cost=3327245772 Card=55237676133
> Bytes=6683758812093)
> NESTED LOOPS (Cost=831 Card=55237676133 Bytes=6683758812093)
> MERGE JOIN (OUTER) (Cost=831 Card=1054167 Bytes=86441694)
> SORT (JOIN)
> TABLE ACCESS (FULL) OF INDIVIDUAL (Cost=826
> Card=1285570 Bytes=88704330)
> SORT (JOIN) (Cost=4 Card=82 Bytes=1066)
> TABLE ACCESS (FULL) OF CONSUMER_EMAIL (Cost=1 Card=82
> Bytes=1066)
> INDEX (UNIQUE SCAN) OF HOUSEHOLD_PK (UNIQUE)
> SORT (JOIN) (Cost=122958 Card=12525628 Bytes=325666328)
> TABLE ACCESS (FULL) OF ADDRESS (Cost=23275 Card=12525628
> Bytes=325666328)
> INDEX (UNIQUE SCAN) OF X_CITY_PK (UNIQUE)
> SORT (JOIN) (Cost=2432 Card=725237 Bytes=9428081)
> INDEX (FULL SCAN) OF CONSUMER_PHONE_PK (UNIQUE) (Cost=26
> Card=725237 Bytes=9428081)
> INDEX (UNIQUE SCAN) OF CHANGED_HH_KEYS_PK (UNIQUE)
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Author: lerobe - Lee Robertson
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