SQL MERGE INTO( has issue when trying to insert into database by using subquery) - 


merge dwcust dc  using a2custmelb cm on (dc.firstname=cm.fname ,  dc.surname=cm.sname , dc.postcode=cm.postcode) when matched update set dc.dwsourceidmelb=cm.custid when not matched  insert (dwcustid, dwsourceidmelb, firstname, surname, gender, phone, postcode, city, state, custcatname) values (dwcust_seq.nextval, cm.custid, cm.fname, cm.sname, upper(cm.gender), cm.phone, cm.postcode, cm.city, cm.state, (select cc.custcatname a2custcategory cc   cm.custcatcode = cc.custcatcode ) );

error report -

sql error: ora-00904: "cm"."custcatcode": invalid identifier

  1. 00000 - "%s: invalid identifier"

how can fix error? there column called custcatcode in a2custmelb database.

thanks.

you can't use select merge insert, move join using:

merge dwcust dc  using   (select a2custmelb.*, cc.custcatname     a2custmelb join a2custcategory cc      on cm.custcatcode = cc.custcatcode   ) cm on (dc.firstname=cm.fname ,  dc.surname=cm.sname , dc.postcode=cm.postcode) when matched update set dc.dwsourceidmelb=cm.custid when not matched  insert (dwcustid, dwsourceidmelb, firstname, surname, gender, phone, postcode, city, state, custcatname) values (dwcust_seq.nextval, cm.custid, cm.fname, cm.sname, upper(cm.gender), cm.phone, cm.postcode, cm.city, cm.state,         cm.custcatname );

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