sql - Update table with Left Join -

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how update table left join on script. i'm using db2 database.

i created select statement , works:

**

select  t1.estrcd "transaction code",         t1.espyno "payer",         t1.escuno "customer no",         t1.escino "invoice no",         t1.esvono "voucher no",         t1.escuam "foreign currency amount",         coalesce(t2."received_amount",0) "received amount",         t1.escuam + coalesce(t2."received_amount",0) "outstanding amount" m3edbedu.fsledg t1 left join         (select espyno, escino, sum(escuam) "received_amount" m3edbedu.fsledg                 estrcd = 20 group espyno, escino) t2 on         t2.espyno = t1.espyno , t2.escino = t1.escino t1.esreco = 0 , t1.estrcd = 10 , (t1.escuam + coalesce(t2."received_amount",0)) = 0 order t1.espyno, t1.escino, t1.estrcd;

**

but ask me update table , set t1.esreco 9. tried using below script update i'm getting error.

update m3edbedu.fsledg t1 left join(select espyno, escino, sum(escuam) "received_amount"            m3edbedu.fsledg            estrcd = 20            group espyno, escino) t2            on t2.espyno = t1.espyno , t2.escino = t1.escino set t1.esreco = 9 t1.esreco = 0 , t1.estrcd = 10 , (t1.escuam + coalesce(t2."received_amount",0)) = 0 order t1.espyno, t1.escino, t1.estrcd;1;

error: sql0199 - keyword left not expected. valid tokens: set. (state:37000, native code: ffffff39) error: sql0104 - token 1 not valid. valid tokens: ( cl end set call drop free hold lock open alter begin. (state:37000, native code: ffffff98)

i hope can me.

thanks in advance. :)

since db2 database, cannot specify clause in update statement. updated answer reflect you'd have (keep in mind in no way optimized).

update      m3edbedu.fsledg t1 set      t1.esreco = 9      t1.esreco = 0 , t1.estrcd = 10 ,     exists(select t2.espyno         m3edbedu.fsledg t2         t2.estrcd = 20 , t2.espyno = t1.espyno , t2.escino = t1.escino)     , (t1.escuam + coalesce(         (select sum(t2.escuam)          m3edbedu.fsledg t2          t2.estrcd = 20 , t2.espyno = t1.espyno , t2.escino = t1.escino), 0) = 0)

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