How to calculate running balance in SQL

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I am using embedded derby database and I want to add running balance column by calculating debit and credit amounts so please tell me solution code and image are also available below

(as you can see in image balance total is not accurate)

SQL

SELECT 
V_DATE,FLAG,V_NUM,V_NARATION,
sum(VDTL.DR_AMOUNT) AS DEBIT,
sum(VDTL.CR_AMOUNT) AS CRIDIT,
sum(dr_amount)-sum(cr_amount) as total
FROM VOUCHARDETAIL AS VDTL
INNER JOIN VOUCHARMASTER AS VMST
ON VDTL.DTL_NUM =VMST.MST_NUM
WHERE (V_DATE BETWEEN '12-03-2017' AND '14-03-2017') AND (FLAG='IV' OR FLAG='BR'
OR FLAG='CP' OR FLAG='CR' OR FLAG='JV' OR FLAG='BP') AND (AC_CODE=60030002) 
GROUP BY
V_DATE,FLAG,V_NUM,V_NARATION
ORDER BY
V_DATE

What I have tried:

running balance column require

Posted 20-Mar-17 20:16pm

Mudassar Ali

Updated 21-Mar-17 18:21pm

Tomas Takac

v2

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Tomas Takac 21-Mar-17 4:08am

You don't like this answer? derby - How to calculate running balance in SQL - Stack Overflow[^]

CHill60 21-Mar-17 6:09am

1. No image (because you can't post them here)
2. We cannot see that the balance total is not accurate because you have not supplied any sample data
3. This specific question has already been answered at Stack Overflow.

So ... what is your question? What is wrong with the solution you have already been given?

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pooranendu · Answer 1 · 2017-03-21T18:21:00

To get running balance you can use Sum(value)Over(Order by ) clause like

SELECT 
V_DATE,FLAG,V_NUM,V_NARATION,
sum(VDTL.DR_AMOUNT) AS DEBIT,
sum(VDTL.CR_AMOUNT) AS CRIDIT,
sum(dr_amount)-sum(cr_amount) as total,
sum(dr_amount-cr_amount)Over(Order by V_DATE)
FROM VOUCHARDETAIL AS VDTL
INNER JOIN VOUCHARMASTER AS VMST
ON VDTL.DTL_NUM =VMST.MST_NUM
WHERE (V_DATE BETWEEN '12-03-2017' AND '14-03-2017') AND (FLAG='IV' OR FLAG='BR'
OR FLAG='CP' OR FLAG='CR' OR FLAG='JV' OR FLAG='BP') AND (AC_CODE=60030002) 
GROUP BY
V_DATE,FLAG,V_NUM,V_NARATION
ORDER BY
V_DATE