Group By function in Oracle
Hi Team,
I am trying to use a simple Group by code as shown, ...But don't need to do a Group BY on ISIN..(Varchar)...But when I remove that...I get error saying not a Groupby function...Can I just do a group by based on first two columns. ?
I am trying to use a simple Group by code as shown, ...But don't need to do a Group BY on ISIN..(Varchar)...But when I remove that...I get error saying not a Groupby function...Can I just do a group by based on first two columns. ?
select distinct G.CLIENT_ID,G.YEARMONTH, D.ISIN,SUM(G.ACCOUNT_CBV) as ACCOUNT_CBV, SUM(G.TOTAL_REVENUES) as TOTAL_REVENUES from GMIS G, DEPOT D
where G.CLIENT_ID = D.CLIENT_ID
GROUP BY G.CLIENT_ID,G.YEARMONTH,D.ISIN order by Client_ID;
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don't use distinct when doing a group by, it's redundant
if you don't care about the isin column, then it must be unique, in which case you can use MAX or MIN to include it in the aggregation.
or, if it's not unique but you don't care which value you return, then either MAX or MIN should be sufficient anyway.
SELECT g.client_id,
g.yearmonth,
MAX(d.isin) isin,
SUM(g.account_cbv) AS account_cbv,
SUM(g.total_revenues) AS total_revenues
FROM gmis g, depot d
WHERE g.client_id = d.client_id
GROUP BY g.client_id, g.yearmonth
ORDER BY g.client_id;
if you don't care about the isin column, then it must be unique, in which case you can use MAX or MIN to include it in the aggregation.
or, if it's not unique but you don't care which value you return, then either MAX or MIN should be sufficient anyway.
SELECT g.client_id,
g.yearmonth,
MAX(d.isin) isin,
SUM(g.account_cbv) AS account_cbv,
SUM(g.total_revenues) AS total_revenues
FROM gmis g, depot d
WHERE g.client_id = d.client_id
GROUP BY g.client_id, g.yearmonth
ORDER BY g.client_id;
Hi,
maybe something like this:
maybe something like this:
select a.CLIENT_ID, a,YEARMONTH, a.ACCOUNT_CBV, a.TOTAL_REVENUES , b.ISIN
from (
select G.CLIENT_ID,G.YEARMONTH, SUM(G.ACCOUNT_CBV) as ACCOUNT_CBV, SUM(G.TOTAL_REVENUES) as TOTAL_REVENUES
from GMIS G, DEPOT D
where G.CLIENT_ID = D.CLIENT_ID
GROUP BY G.CLIENT_ID,G.YEARMONTH
)a left join
(select distinct CLIENT_ID as CLIENT_ID, ISIN from DEPOT) b on a.CLIENT_ID=b.CLIENT_ID
order by a.Client_ID;
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