Wie summieren Sie die SQL-Anweisung

Question

SELECT sum(l.interestrt*d.bidspotrate) AS [Interest Rate in MYR], 
     SUM (l.interestsprd * d.bidspotrate), sum(l.penaltyrt*d.bidspotrate) 
FROM loan l, 
    danadb d 

Wie summiere ich alle SQL-Anweisungen von oben? Ich habe keine Ahnung, wie man alles aus verschiedenen Spalten summiert. Danke.

Answer 1

Was ist damit?

SELECT SUM (L.INTERESTRT * D.BIDSPOTRATE) AS "Interest Rate in MYR", 
     SUM (L.INTERESTSPRD * D.BIDSPOTRATE), 
     SUM (L.PENALTYRT * D.BIDSPOTRATE) 
    FROM LOAN L CROSS JOIN DANADB D 

Answer 2

@Mir versuchen diese

(select sum(l.interestrt*d.bidspotrate) as 'Val1', 
    SUM (l.interestsprd * d.bidspotrate) as 'Val2', 
    sum(l.penaltyrt*d.bidspotrate) as 'Val3' , 
    (SUM(Val1) + SUM(Val2) + SUM(Val3)) as 'Total' 
from loan l inner join danadb d on l.someid = d.someid 

Answer 3

du versuchen können, wird es Ihnen die Ausgabe geben, was Sie erwarten:

select (one+two+three) as [Interest Rate in MYR] from 
(select sum(l.interestrt*d.bidspotrate) as [one] 
    SUM (l.interestsprd * d.bidspotrate) as [two], 
    sum(l.penaltyrt*d.bidspotrate) as [three] 
from loan l,danadb d) t 

ODER

select (sum(l.interestrt*d.bidspotrate)+ 
    SUM (l.interestsprd * d.bidspotrate)+ 
    sum(l.penaltyrt*d.bidspotrate)) as [Interest Rate in MYR] 
from loan l,danadb d 

Hinweis: Sie können von diesen altmodischen Join und ich loswerden mplement eins mit gemeinsamen Spalten aus den Tabellen als:

FROM loan l 
INNER JOIN danadb d ON d.<id> = l.<id> 

Answer 4

Vielleicht nur hinzufügen?

SELECT SUM (L.INTERESTRT * D.BIDSPOTRATE) 
     + SUM (L.INTERESTSPRD * D.BIDSPOTRATE) 
     + SUM (L.PENALTYRT * D.BIDSPOTRATE) 
      AS "Interest Rate in MYR" 
    FROM LOAN L CROSS JOIN DANADB D