Using Not in in SQL query - sql

Question

I have two tables billcrown and bank_details.
In billcrown there exist a unique row for each PJNO:
PJNO GRIRNO AMT
---- ------ ----
PJ1 GRIR1 1000
PJ2 GRIR2 150
Table bankdetails has
PJNO GRIRNO AMT
---- ------ ---
PJ1 GRIR1 100
PJ2 GRIR2 150
PJ1 GRIR1 200
I want to display all PJNO of the table billcrown where the sum of AMT of this PJNO in bankdetails is not equal to the AMT of this PJNO in billcrown
Here PJ1 in billcrown's amount is 1000 but the sum of amounts in bankdetails for the PJ1 is 300. So it should be displayed. But in the case of PJ2 the billcrown and bankdetails amount is the same.

Answer 1

Something like this, perhaps?
select c.pjno
from billcrowm c join bankdetails d on d.pjno = c.pjno
group by c.pjno
having sum(c.amt) <> sum(d.amt);
[EDIT, after new information has been revealed]
Outer join with NVL might do the job.
select c.pjno
from billcrowm c left join bankdetails d on c.pjno = d.pjno
group by c.pjno
having sum(c.amt) <> nvl(sum(d.amt), 0);
[EDIT #2, after reading Sharad's comment]
with csum as
(select pjno, grirno, sum(amt) amt
from billcrowm
group by pjno, grirno
),
dsum as
(select pjno, grirno, sum(amt) amt
from bankdetails
group by pjno, grirno
)
select c.pjno
from csum c left join dsum d on c.pjno = d.pjno
group by c.pjno
having sum(c.amt) <> sum(nvl(d.amt, 0));

Answer 2

SELECT b.PJNO FROM billcrowm b
LEFT JOIN
(
SELECT PJNO, sum(amt) AS total_amt FROM bankdetails GROUP BY PJNO
)d
ON b.PJNO = d.PJNO
WHERE COALESCE(b.amt,0) <> COALESCE(d.total_amt,0);

Answer 3

IF OBJECT_ID('tempdb..#myTemp') IS NOT NULL
DROP TABLE #myTemp
SELECT * INTO #myTemp FROM
(SELECT PJNO, SUM(AMT) AS Amount FROM
bankdetails
GROUP BY PJNO)
AS tempResult
SELECT T.[PJNO], T.Amount, (T1.AMT - T.Amount) As AmountDiff
FROM #myTemp T
INNER JOIN billcrowm T1 ON T.[PJNO] = T1.[PJNO]
WHERE T.Amount <> T1.AMT

Answer 4

This would work.
with BankDetailsCTE
as
(
Select PJNO, sum(AMT) as amt from BankDetails group by PJNO
)
Select d.Pjno from Billcrown d
left join BankDetailsCTE c
on d.pjno = c.pjno
where d.AMT <> c.amt or c.amt is null

Answer 5

If I understand well, all you need is a GROUP BY with an OUTER JOIN.
With these tables:
create table billcrown (PJNO, GRIRNO, AMT) as (
select 'PJ1', 'GRIR1', 1000 from dual union
select 'PJ2', 'GRIR2', 150 from dual union
select 'PJXX','XXXXX', 100 from dual
);
create table bankdetails (PJNO, GRIRNO, AMT) as (
select 'PJ1', 'GRIR1', 100 from dual union
select 'PJ2', 'GRIR2', 150 from dual union
select 'PJ1', 'GRIR1', 200 from dual
);
this
select bc.PJNO, bc.GRIRNO, bc.AMT, sum(bd.amt)
from billCrown bc
left join bankDetails bd
on (bd.PJNO = bc.PJNO
and bd.GRIRNO = bc.GRIRNO -- do you need this?
)
group by bc.PJNO, bc.GRIRNO, bc.AMT
having sum(nvl(bd.amt, 0)) != bc.amt
gives:
PJNO GRIRNO AMT SUM(BD.AMT)
---- ------ ---------- -----------
PJXX XXXXX 100
PJ1 GRIR1 1000 300