Create Customer Statement in MS Access - ms-access

Question

I have tables one is invoice & other is payment, I want to make customer statement related to it
Invoice table:
Invoice Date:
Invoice Id:
Customer Id:
quantity:
Rate:
Amount:
Payment table
Payment Date
Customer Id:
Payment Method:
Reference No:
Payment Amount:
I want to create a customer statement like
Date | Invoice Detail | Debit Amount | Credit Amount|
Date From Invoice or Payment Column according to data
Invoice amount should be debit & payment amount should be credit to form the ledger, How could i do with that Please help me out
I got the balance invoice sheet etc , but cant able to make ledger / statement of customer
Database file https://www.dropbox.com/s/hnra30rpgdlzz56/invoice-test.accdb

Answer 1

EDIT: This answer was constructed on the basis of the requirements and table definitions posted in the question. Upon inspection of the Access DB provided, the table structures described in the question bear little resemblance to the real implementation, however the approach still solves what was requested.
The base query is something along these lines.
SELECT [Customer ID], 'DEBIT' AS Transaction_Type, [Invoice Date], [Invoice Id] As [Ref_Num], [Amount] as [Debit], Null AS [Credit]
FROM Invoice
UNION
SELECT [Customer ID], 'CREDIT' AS Transaction_Type, [Invoice Date], [Reference No] As [Ref_Num], Null as [Debit], [Payment Amount] AS [Credit]
FROM Payment
If you want to aggregate all debit/credit transactions for a particular date it becomes fiddly as you need to merge the references, but in essence this is what you need.
I've not been able to test this so please advise if it works for you.