Hello!
I am building a query to get a monthly total for receipts and receipts plus
TAX.
My problem is the TAX, it can be different for each receipt.
I need help on including and relating each TAX value/id with each receipt,
like receipt_items.price * 1.21 etc.
The tables are like the following example:
Table receipts:
id | id_tax | date
1 1 2005-12-31
2 1 2006-01-01
3 2 2006-01-25
...
Table receipt_items:
id | id_receipt | price (exc tax)
1 1 1000
2 2 1000
...
Table tax:
id | tax (%)
1 19
2 21
So far I have:
SELECT
SUM(receipt_items.price) AS total ,
(SUM(receipt_items.price) * [-help here-]) AS total_plus_tax
FROM
receipt_items, receipts
WHERE
receipt_items.id_receipt = receipts.id
AND MONTH(receipts.date)=".$month."
AND YEAR(receipts.date)=".$year."
Thanks in advance.
Pedro.
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