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06.29.2005 at 10:09AM PDT, ID: 21475160
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9.0

Doing calculations across tables

Asked by smeadows in Microsoft Access Database

Tags: , ,

Oh Mighty Access Gurus,

I am just stared to use Access 2003 and while I think it has been quite easy to learn the basics, I am having the following issue, wondering if you could provide some guidance.

I have a recipe database.  I am trying to perform a calulation across tables.  Example:

I have the following tables and fields:

Recipe table table with the following fields:

RecipeID (Primary Key)
RecipeName
TimeofPrep
Servings

Ingredient table with the following fields:

IngredientID (primary key)
Ingredient
CostPerUnit
MeasurementtypeID (foreign key to MeasureType table(MeasurementtypeID being the PK)
TotalCost

RecipeIngredientID (PK)
RecipeID (foreign key)
IngredientID(foreign key)
Quantity
Comments

MeasurementType table with the following fields:

MeasurementTypeID (PK)
MeasurementType

I want to be able to create a field on the form I have, which calculates the TotalCost of an ingredient when it is used in a recipe by multiplying the CostPerUnit by Quantity.  I can't seem to get this to work.  I used the RecipeIngredient table to provide a unique entry for each ingredient in each recipe.

Your assistance would be greatly appreciated.

Scott

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[+][-]06.29.2005 at 10:20AM PDT, ID: 14330832

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Zone: Microsoft Access Database
Tags: calculations, access, doing
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Solution Provided By: will_scarlet7
Participating Experts: 2
Solution Grade: A
 
 
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