Tables :: Conditional Values In The Table?
Jan 30, 2013
I have two tables "Funds" and "Classes" with one-to-many relationship, resp. (through the "Fund_name" fields). There is the field "Active" in the "Funds" table and the field "Open/Closed" in the "Classes" table. What I would like to do is to put "No" value into the "Active" field record if the corresponding (with respect to the relation of course) "Open/Closed" field records have all values "closed". Otherwise put "yes". Is there any way, how I could make this?
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Apr 11, 2013
I am writing some iif conditional statements in one of my tables to assign new values in that table.
Code:
FP: IIf([cohort with status].[Intake Date] Between #04/01/2012# And #26/04/2012#,201201) Or IIf([cohort with status].[Intake Date] Between #27/04/2012# And #24/05/2012#,201202)
When I run it, I am getting some -1 values in the new column FP.
but if I get rid of the second IIF, then it works.
how do you combine multiple IIF statements in a query?
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Aug 29, 2014
I'm using Access 2010. I need to calculate a score based on values selected in a table by looking up corresponding values in other tables. I have a "Project" form to create new entries into the Project table (see Table 1). When I create a new project record, I will select values for the Payback and Need fields by selecting options from a list. The Payback list is pointed at Table 2 and the Need list is pointed at Table 3. In the below example, I created the "ABC" project and selected "1 year" for the Payback field and "Repair" for the Need field. Pretty simple.
Now that I have the "ABC" project loaded to my Project table, I'd like to create a report that will show a "score" for this project. The score should be calculated as follows: Payback Impact + Need Impact. In this example, the score should be 30 (Payback Impact of 20 + Need Impact of 10).
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May 13, 2015
I have what is probably a stupid question but I've been struggling with this one for a while. I have an ordering database which has an Orders table (containing Order ID, Date, Supplier etc) and an Order Line table within which I have a combo box for Product name, supplier, price, VAT rate, Line price etc. At the moment, I have the order line table as a subform within the Order form (run from the Orders table). The problem I'm having is the subtotal and total fields. At the moment these are in the Order Line table as I cannot figure out how to get these in the Orders table. In summary, can I make a calculated field in one table that calculates values from another table (linked by Order ID)?
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Jul 27, 2014
Is it possible to have the field names in a table be set by the values in another table? The desire being that for a database used in various locations, the local variations could be changed in one table which would then propagate that change throughout all the forms, reports, tables etc.
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Jan 8, 2014
I know that as a general rule one should not store calculated values in a table, but if I need to include such a value on a number of forms, and calculating that value involves manipulating an ADO Recordset, does there come a point where the performance hit outweighs the design "quality"?
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Jan 30, 2014
Is there a way to write different numerical values in single cell of table via form.
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Oct 12, 2006
Hi,
I have built an Access DB containing 3 tables: dimensions, time, companies. The tables are not linked and are to be used to look up values for the new form. The goal is to create an Access form that would allow the user to select distinct values from all 3 tables, enter some own data and then execute an append query to add the record to the main table.
Something like this:
Initially I have 3 tables:
Prepopulated Dimensions table with fields:
dimension
....
Prepopulated Time table with fields:
Date
Day
Month
Year
Prepopulated Companies table with fields:
Company
....
My form is to be able to select distinct values (combobox) from all three fields:
Company
Dimension
Day
Month
Year
Value (data entered by user)
The record then is appended to the Main table containing:
Company
Dimension
Day
Month
Year
Value (data entered by user)
Thanks a lot for your time and help!
Polar
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Aug 10, 2015
How to set up my tables as I'm just starting off with setting my database up.
I'm doing a simple database to track the purchase orders (PO) I am managing. Each PO has a PO Number and an Original Value. POs may have multiple amendments which would change the PO value. I would however like to keep the history of the PO original value and all different amendments.
So I created two tables:
tblPO:
ID
PO Number (Number)
PO Original Value (Currency)
PO Sum of Amendments (???????????)
PO Current Value (Calculated = PO Original - PO Sum of Amendments)
tblPOAmendments:
ID
PO (Lookup from tblPO)
PO Amended Value (Currency)
Amendment Date (Date/Time)
Amendment Desc (Text)
Now the two, million dollar questions are:
1.) Is this the right table structure to use.
2.) How do I go about calculating the Sum of Amendments field?
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Oct 28, 2011
How to combine two tables in one table such that values are neither duplicated nor missed?i wanted to join Table5 and table6 such that the values of Field1 are all populated in the resulted table but neither duplicated nor overlapped!
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Oct 25, 2014
I am new to Access in a way, and developed a small tool as a warehouse management system. the system is working great but I need to add a rule or condition to this tool.
I have Tables having warehouses locations (LOCATION1,LOCATION2, LOCATION3, etc...)
Some items (products) will be entered into a transaction table where with queries and reports, can see each item in which location it is or in a particular location what are the products stored in.
however, if there is no limitation or condition in a way or another into the access application to limit users from entering an item OUT in the transaction from a location which doesn't have this product, I need access to tell me a message or stop me from entering that transaction.
To explain more, if I have ProductA in LOCATION1, and one of the data entry guys entered a transaction in LOCATION2 for the same ProductA, access will not allow him since there is no quantity of that particular product in that LOCATION2.
How to do it? I checked in Data Validation and Validation rules, but its either hard for me to understand or am not getting how to do it?
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Sep 6, 2014
I have a project that in Access. I'll be handling a survey file that will maintain answers per customer. The visit to customer is done monthly in a year, which means that a customer can have 12 visits in a year. My problem is that if I will maintain this project for the next five years or more, I have to maintain another field in my table that will block the duplicate entries.
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Jul 8, 2014
I have ODBC linked tables to a DB2 database.When I try to edit the values in some of the tables (open the table in dataview and edit one record) I get a 3021 Error -No current record.On other tables (linked the same way) I don't get this error
If I try the update by running a query on the same table, I get no errors.
The system I have is a german Access 2010 on german WinXP and a connection to DB2 LUW v9.7
Is there any set of settings necessary for ODBC to work with access and vice versa?
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Feb 7, 2014
I'm quite new to Access and am just working on a little practice database where I keep track of sales of a product.
Basically I have a table keeping track of the different types of products, a table keeping track of customers, a table for orders and one for replenishments of stock. I have a query that calculates the stock of each type of product based on replenishments and sales.
Now I want to make sure that a customer can't order any more than there is in stock. I know you can restrict what's entered into a table with a validation rule but that's only for static restrictions. After searching the internet for an answer I've pretty much learned that I can't really make this restriction directly in the table, correct? But then how can I achieve this? Do I have to restrict the amount through a form somehow?
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Jul 6, 2015
I have a split database and need a field (Combo type) in the table to lookup values from a query in the front end. How do I do this as it doesn't see the querys because the front and back end are split?
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Nov 30, 2012
Access 2010..One organization that we work with provides us with a block of numbers for each of the two types of contract products we order from them; we do order non-contract stuff from them also.The block of numbers are the same (i.e. 20000 to 30000 this year) for each of the two products. This means that each product can have the number 20000, for example. We call this the Tracking Number. If it is one of these products, we need to select the Contract Number.
For all other one off orders we have with them, we assign our own Tracking Number starting with 00001. This Tracking Number cannot duplicate unless it is one of the aforementioned two products.Both the Tracking Number and Contract Number are in the same table. The user selects the Contract Number from a form (connected to the Contract Number table that has all the details on the contract) and the Contract Number is populated in the same table that has the Tracking Number.Each order must have a Tracking Number (no null)..Not all orders need a Contract Number (null okay).The Tracking Number and Contract Number combination cannot duplicate.I tried setting the primary keys to more than one field in the table, but they cannot have null values.
If not... I have been working on Plan B.... an AfterUpdate on the form (either the form or a field... don't know yet) that looks at a query that only has results if there are duplicate values.
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Sep 3, 2014
how data is best structured in Access.I have a table of values (for instance: weight) and I need to be able to look up a weight based on the column header (age) and row header (height).How is this sort of data best structured and accessed in Access?
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Jan 3, 2007
Happy new year all. I have 2 tablesI have a query that if any tbl2.num=tbl1.num AND tbl2.action = 'confirmed' this row should be selected for deletion from tbl1. I've tried linking the tables and using an iif statement, but no good and I'm not sure what else to do- any ideas?Forgot to add- tbl1.num might or might not exist on tbl2
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Jun 12, 2014
I have specific query related to Access, Currently I'm trying to create all possible combination of lot data. I need to know if this would be possible in MS Access.Below is simple example of what is required
Table1 Table2 Table3
Value1 TokenW GateA
Value2 TokenX GateB
Value3 TokenY GateC
Value4 TokenZ GateD
I have 3 sets of data for which I've to create all the possible combinations but with restrictions.Below are few of my restrictions
1. "Value2" always comes with "GateC" & Vice versa but, both don't exist independently.
2. "Value4" always takes "TokenW", But "TokenW" exists independtly as well doesn't need Value4 always.
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Mar 6, 2014
So I have two tables:
users
primary key = user_id (AutoNumber)
surname (Text)
forename (Text)
...
user_change
primary key = user_change_id (AutoNumber)
user_id (Number) which relates to the user_id from "users" table
change_type (Text)
action_date (Date/Time)
...
In user_change I record any changes made to the users table.
What I am wanting to do, within a query, is pull basic details from the "users" table (forename, surname, etc.) which is working fine, but also add in SPECIFIC data from the user_change table if it exists.
I want to pull ALL rows from the users table, not just specific rows, and not just rows where my criteria for the user_change table match.
This is the data I want to pull from user_change...
The MOST RECENT action_date WHERE change_type is LIKE "*issued*".
However there won't be a change_type LIKE "*issued*" for everyone - I want it to be included only if it exists.
At the moment my query is ignoring any users who don't have a user_change record with "*issued*" in the change_type value. I'm also getting duplicate user rows where people have more than one value for "*issued*" - I only want the most recent one...
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Feb 7, 2014
i have one table in which ID is Primary ID with Different Values
Like
ID NAME PAN
1 A X
1 B Y
1 A X
2 C Z
2 C G
3 D U
it shows that ID 1 having 2 Name (A& B,with PAN, X & Y ,respectively).how can i get this that ID having More than 1 Value like 1 and how can i select only these records ID which having more than 1 value and how can i update values for 1 ID.
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Sep 27, 2014
I am trying to create a conditional expression in a table.I am trying to say the following:
If [KIND] is "DEER", return "70", Otherwise, if [KIND] is "ELK", return a calculation that is [WEIGHT]*.7.
I am hung up on the calculation for the "ELK." If I write IIF([KIND]="DEER","70", IIF([KIND]="ELK", "[WEIGHT]*.7","OTHER")).
I can enter the expression, but when I open my Form and select "ELK", the field that is supposed to have the calculation just shows [WEIGHT]*.7.....it does not perform the calculation.
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Sep 18, 2013
I have a query with an INNER JOIN and ORDER BY that is working great. Now, using the same JOIN, I need to update values in one table with the values in another. I thought it would be simple until I learned you can't do an ORDER BY with an UPDATE. Is there another way to achieve the same result? If you remove the 'ORDER BY', the statement below doesn't produce an error but the results are not correct:
UPDATE TableA INNER JOIN TableB ON (Left(TableA.CDN,6))=(TableB.CDN)
SET TableA.HCC = TableB.HCC
WHERE TableB.HCC Like '241*' AND TableB.BBB = 'X' AND TableA.CCC = "1234" AND TableA.HCC IS NOT NULL
ORDER BY TableB.HCC, TableA.CDN;
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Nov 4, 2013
I have a table in access and I need to format it so that when column "Status" = "Closed" column "Closed" = "yes". so it will automatically mark column "Closed" "yes" if "status" says "closed". Instead of having to change both columns all the time.I know how to do that in MS Excel, but is it possible in MS Access 2013?
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Mar 2, 2015
I have two tables.descriptions I'd like to relate and use to find/replace in bulk.
[Checking].[Description] (with the source data)
[Rename].[NewDescription] (with the correct data)
I'd like the values in [Checking].[Description] to be replaced with the values in [Rename].[NewDescription], including those that are "Like".
Examples:
[Checking].[Description] = Geico 12345
[Rename].[NewDescription] = Geico
[Checking].[Description] = Geic
[Rename].[NewDescription] = Geico
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May 14, 2007
Hi all-
I work for a staffing firm and I'm trying to figure out a way to turn exports from our vendor-based sql gui (i.e. I can only get .xls files out of it, can't just run SQL queries) into spiffy reports using Crystal Reports. My grand plan is to use Access to process these various XLS files (one for each client) by linking them to an Access DB and coding a table to conditionally tally individual records based on different criteria.
The criteria are company name, position name, date submitted, active, and status. I was able to code an Excel template that did the trick perfectly, but required each file to be edited to reflect the new report format, and updated as more positions are added. My question is this: is there some way for me to create a DB that links to the XLS files for each client and puts each company name, position name, date submitted (pulled straight from XLS files) and then the following tallies:
submitted (just # of pos name by date)
accepted (status != "s" AND active = "y" by date)
etc.
I don't really expect someone to do all my coding for me, maybe just point me in the right direction, as the only coding outside of excel formula coding (which I feel doesn't really count despite my proficiency) that I've done has been over a decade ago. Any suggestions?
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