Hi,

the following query works as a normal query:

SELECT sc.seccodedesc AS ACCOUNTOWNER, oppsc.seccodedesc AS
OPPORTUNITYOWNER, acc.account, ui.username, opp.description AS OFFERNO,
opp.actualclose, opp.reason, opp.estimatedclose, opp.status,
opp.actualamount, sod.project_no, opp.actualamount, sod.project_name,
sod.category, sod.notes, sod.swisslogprob, sod.projectprob,
((sod.swisslogprob * sod.projectprob)/100) AS probability,
sod.targetproject, sod.req_for_pro, sod.handover, sod.createdate

FROM opportunity opp, swl_opp_desc sod, seccode sc, seccode oppsc,
account acc, userinfo ui
 WHERE                    sod.opportunityid = opp.opportunityid
 AND opp.seccodeid = oppsc.seccodeid
 AND acc.accountid = opp.accountid
 AND acc.seccodeid = sc.seccodeid
 AND ui.userid = opp.ACCOUNTMANAGERID

but doesn't work as a subquery or a view. i should have this as a
subquery, because i want to limit the result using ROWNUM. so i've made
the following:

SELECT ROWNUM, oppview.* FROM
 (SELECT sc.seccodedesc AS ACCOUNTOWNER, oppsc.seccodedesc AS
OPPORTUNITYOWNER, acc.account, ui.username, opp.description AS OFFERNO,
opp.actualclose, opp.reason, opp.estimatedclose, opp.status,
opp.actualamount, sod.project_no, opp.actualamount, sod.project_name,
sod.category, sod.notes, sod.swisslogprob, sod.projectprob,
((sod.swisslogprob * sod.projectprob)/100) AS probability,
sod.targetproject, sod.req_for_pro, sod.handover, sod.createdate
 FROM opportunity opp, swl_opp_desc sod, seccode sc, seccode oppsc,
account acc, userinfo ui
 WHERE                    sod.opportunityid = opp.opportunityid
 AND opp.seccodeid = oppsc.seccodeid
 AND  acc.accountid = opp.accountid
 AND acc.seccodeid = sc.seccodeid
 AND ui.userid = opp.ACCOUNTMANAGERID) oppview
WHERE ROWNUM BETWEEN 0 AND 10

then i get "ORA-00918: column ambiguously defined".


would be great if somebody could explain me what causes that error and
how to do that the right way.


thanks
beni

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