在Oracle中将具有相同值的多行合并为一行

Question

I have been trying to solve an Oracle SQL query but to no avail and was hoping i could get some assistance. The scenario is that am querying the database and i get multiple records with the same value and wanted to combine the multiple rows into one.What i want to achieve is have the record for customer with IDNO =22099575 in one row instead of three as it appears in the attached screen shot of my result from my query below

SELECT concat(cu.firstname,cu.secondname) 
        Customername,cu.customerno,l.idnumber Idno,l.branch_code 
        Branchcode,l.phonenumber 
        Phone,cu.gender,l.grade,l.arocode,l.loanaccount,l.duedate,l.interest,
        l.outstandingamount Outstandingloanbal,
        l.lien Lienamount,TO_CHAR(l.applicationdate,'DD-MM-YY') 
        applicationdate,l.lastpaymentdate Lastcreditdate,l.inarrears 
        Principalloaninarrears,
        l.rebate_amount Rebatepayable, l.empcode, l.disbursaldate, lt.description 
        Producttype,sum(l.amountdisbursed) Disbursedamt,
        l.loanamount Principalamount,l.interest 
        Interestamount,l.flexi_refno,l.active
FROM ((ebank.tbloanaccount l
INNER JOIN ebank.tbcustomers cu ON l.customerno = cu.customerno)
INNER JOIN ebank.tbloantype lt ON l.productcode = lt.productcode) 
where l.DISBURSED = '1'
group by concat(cu.firstname,cu.secondname), cu.customerno, l.idnumber, 
        l.branch_code, l.phonenumber, 
        cu.gender, l.grade, l.arocode, l.loanaccount, 
        l.duedate, l.interest, l.outstandingamount, l.lien, 
        TO_CHAR(l.applicationdate,'DD-MM-YY'), 
        l.lastpaymentdate, l.inarrears, l.rebate_amount, l.empcode, l.disbursaldate, 
        lt.description, l.loanamount, l.interest, l.flexi_refno, l.active  order by 
        l.disbursaldate desc;

Here is a screen shot of my results from the above query:

Answer 1

you can use dense_rank on queries, to get latest due_date, outstanding loan.

SELECT concat(cu.firstname,cu.secondname) 
    Customername,cu.customerno,l.idnumber Idno,l.branch_code 
    Branchcode,l.phonenumber 
    Phone,cu.gender,l.grade,l.arocode,l.loanaccount, max(l.duedate) keep ( dense_rank first order by l.duedate desc ) duedate,l.interest,
    max(l.outstandingamount) keep ( dense_rank first order by l.duedate desc ) Outstandingloanbal,
    l.lien Lienamount,TO_CHAR(l.applicationdate,'DD-MM-YY') 
    applicationdate,l.lastpaymentdate Lastcreditdate,l.inarrears 
    Principalloaninarrears,
    l.rebate_amount Rebatepayable, l.empcode, l.disbursaldate, lt.description 
    Producttype,sum(l.amountdisbursed) Disbursedamt,
    l.loanamount Principalamount,l.interest 
    Interestamount,l.flexi_refno,l.active 
FROM ((ebank.tbloanaccount l
INNER JOIN ebank.tbcustomers cu ON l.customerno = cu.customerno)
INNER JOIN ebank.tbloantype lt ON l.productcode = lt.productcode) 
where l.DISBURSED = '1'
group by concat(cu.firstname,cu.secondname), cu.customerno, l.idnumber, 
    l.branch_code, l.phonenumber, 
    cu.gender, l.grade, l.arocode, l.loanaccount, 
    l.duedate, l.interest, l.outstandingamount, l.lien, 
    TO_CHAR(l.applicationdate,'DD-MM-YY'), 
    l.lastpaymentdate, l.inarrears, l.rebate_amount, l.empcode, l.disbursaldate, 
    lt.description, l.loanamount, l.interest, l.flexi_refno, l.active  order by 
    l.disbursaldate desc;