Conditional Statement Problem

Feb 14, 2008

Hi All,

I'm relatively new to Access and having some difficulty using conditional statements - if anyone could help I'd really appreciate it.

Basically I want to take an order summary table (OrderData) that shows total orders over different date ranges and expand them to show the average order per day for each product.

I'm using two queries to do this, the first finds the average per day for each record (Demand) using this formula: Expr: Sum(([OrderData]![orderamount])/([OrderData]![EndDate]-[OrderData]![StartDate]+1)) That part works fine.

The second query then needs to lookup each individual date of the year against the date range on the original data table, and if the date falls within the range, places the daily average from the prior query in a column.

I had been trying to use this - Expr: iif([Output]![Date] Between [OrderData]![Start] And [OrderData]![End], [Demand]![OptimalAverage],"0") but it's not working.

Any ideas?

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Dec 27, 2007

Hi,

I have an access database that contains information on donations made to our non profit organization.

I'm wondering how I query for people who have donated in categories (a,b,c) between 01/01/05 - 01/01/07, but have NOT donated in categories (a,b,c) in >01/02/07.

In other words I'm trying to sort out the people who have donated to us in certain categories in the past, but have not yet done so this year.

There are fields in my tables for donor id, as well as donation type, and donation date.

Any help or info is appreciated!

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Thanks,

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Conditional Statement Troubles..

Feb 14, 2008

Hi All,

I'm relatively new to Access and having some difficulty using conditional statements - if anyone could help I'd really appreciate it.

Basically I want to take an order summary table (OrderData) that shows total orders over different date ranges and expand them to show the average order per day for each product.

I'm using two queries to do this, the first finds the average per day for each record (Demand) using this formula: Expr: Sum(([OrderData]![orderamount])/([OrderData]![EndDate]-[OrderData]![StartDate]+1)) That part works fine.

The second query then needs to lookup each individual date of the year against the date range on the original data table, and if the date falls within the range, places the daily average from the prior query in a column.

I had been trying to use this - Expr: iif([Output]![Date] Between [OrderData]![Start] And [OrderData]![End], [Demand]![OptimalAverage],"0") but it's not working.

Any ideas?

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Need Help How To Construct Query With Conditional Statement

Mar 29, 2007

how do i use conditional statement in sql? im using access 2003 as frontend and backend.

i would like to count the number of records in a table (ex. ENROLL) where there is only 1 instance of any value in a field (ex. STUDENT_NO) plus another condition where a given value (ex. 1) should exist in another field (ex. SECTION).

example
Table name: ENROLL

STUDENT_NO SECTION FEE
16 ----------- 1 ------ 75
16 ----------- 2 ------ 75
17 ----------- 1 ------ 100
18 ----------- 2 ------ 125
19 ----------- 1 ------ 75
19 ----------- 2 ------ 75
19 ----------- 3 ------ 75
20 ----------- 1 ------ 150

Parameters:

COUNT
The number of records (count) in the table where there is only one instance of the STUDENT_NO value and the corresponding SECTION value is 1

VALUE
The sum of the FEE values in the table where there is only one instance of the STUDENT_NO value and the corresponding SECTION value is 1

The answer should come out like this:

count = 2
value = 250


Can anybody please help me to construct the SQL statement?

Thanks in advance!

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Hi Guys,

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Hello

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Hi,

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Good afternoon everyone
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