sql - Updating both rows and columns in oracle -


can rows upadted along colums table.
had table amount updated single member 3 different years

i used following query

update ahd    set amount1=(select a.amnt1                   ahd inner join ahdtmp on ahd.member_key=a.member_key                  ahd.date1=a.date1                    , a.status='false'                    , a.member_key in (select distinct member_key                                           ahd))

when execute this

error @ line 2:
ora-01427: single-row subquery returns more 1 row

the temporary table ahdtmp

create table ahdtmp( member_key number(10), date1 date, amnt1 number(10,2), amnt2 number(10,2), date_amend date, status varchar2(10));

please suggest on this?

what have gone wrong..

possibly want is:

update ahd set amount1=(select a.amnt1               ahdtmp              ahd.member_key=a.member_key ,                    ahd.date1     =a.date1                , a.status='false')  member_key = 'some particlar member ey'

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