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Add calculated field to query comes from 3 tables

Posted on 2012-04-06
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Last Modified: 2012-04-06
Hi:
I have Query ” qtyTransactionDetails" comes  from 3 tables(tblItems, tblTransactionsItems and tblTransactions).
Can I add a calculated field shows "net quantity", which is = tblItems. Strart_RetailUnit_Qty + (tblTransactionsItems. Quantity_Retail   where tblTransactions.TransType=1 ) - (tblTransactionsItems. Quantity_Retail   where tblTransactions.TransType=2 )
Please see the attached database
-Inventory-be---EE.accdb
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Question by:Mohammad Alsolaiman
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mbizup earned 2000 total points
ID: 37817198
Add this expression as a new field in your query:

NetQuantity: Strart_RetailUnit_Qty - [Quantity_Retail] * (TransType=1)  + [Quantity_Retail] * (TransType=2)
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Author Closing Comment

by:Mohammad Alsolaiman
ID: 37817286
ma sha'a allah tabark allah
wonderful
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What to do if a split doesn't fit? Or a bunch of invoice lines must be rounded while the sum must match a total? It takes a little, but - when done - it is extremely easy to implement.
Usually, rounding is performed by some power of 10 - to thousands, hundreds, tens, or integer - or to one, two, or more decimals. But rounding can also be done to a power of two, say, 16 or 64, or 1/32 or 1/1024, even for extreme values.
In Microsoft Access, when working with VBA, learn some techniques for writing readable and easily maintained code.
Visualize your data even better in Access queries. Given a date and a value, this lesson shows how to compare that value with the previous value, calculate the difference, and display a circle if the value is the same, an up triangle if it increased…

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