Here's my code

update copy_rec_out_test
set
        (copy_rec_out_test.sirsi_949m,
        copy_rec_out_test.sirsi_949l,
        copy_rec_out_test.sirsi_949k,
        copy_rec_out_test.sirsi_949t,
        copy_rec_out_test.sirsi_949x,
        copy_rec_out_test.sirsi_949z)
=
select  (matrix.sirsi_949m,
        matrix.sirsi_949l,
        matrix.sirsi_949k,
        matrix.sirsi_949t,
        matrix.sirsi_949x,
        matrix.sirsi_949z)
where
        (matrix.libr_key,
        matrix.avlb,
        matrix.mtype,
        matrix.ctype)
=
        (copy_rec_out_test.libr_key,
        copy_rec_out_test.avlb,
        copy_rec_out_test.mtype,
        copy_rec_out_test.ctype)
where exists
        (select 1 from matrix
        where
        (matrix.libr_key,
        matrix.avlb,
        matrix.mtype,
        matrix.ctype)
=
        (copy_rec_out_test.libr_key,
        copy_rec_out_test.avlb,
        copy_rec_out_test.mtype,
        copy_rec_out_test.ctype)
/
......................................................................

I'm getting ORA_01767: UPDATE ...SET expression must be a subquery on
execution.

Have you any idea what I'm doing wrong?
Much appreciated.

Pat

__________________________________________________
Pat Gorden-Ozgul               BNL-ISD Systems
[EMAIL PROTECTED]                 631-344-5159


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Author: Gorden-Ozgul, Patricia E
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