Tables :: Adding Field To Table And Updating Data?
Dec 1, 2013
I have a table in my DB called, devices. This contains all the information about various devices we have deployed in the field.
These devices are also contained in 2 other separate MySQL DB's.
What I need to do is add 2 additional field to my access table for the DeviceRecno and DeviceID of the same device from the MySQL DB's.
Adding the field is easy, but I cant think of a way to enter the recno and ID from the other DB's without typing them in manually for each one.
The common between them all is the serial number of the device, and I can get a list of serial numbers, recno's and ID in an excel sheet.
like a vlookup in excel to easily populate all the existing records with the recno and id's from the other db's?
When I created the access system there was no intention to link it to the other DB's for any reason, but that has now changed due to a lot of reasons.
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Dec 24, 2012
I have an Access db in a 3 person multi-user environment on a Windows network.
There is a "PRODUCTION" db and a "DEVELOPMENT" db.
Let's call them PROD and DEV.
PROD has the most current data, shipping records, item master, customer data, sales, etc. - but not the most current structure.
DEV has the most current struture - all the front end stuff - forms, functions, modules, etc. - but not the most current data.
The way I've handled this in the past (it seemed to work) was to take the PROD db and rename it to PRODX. Then take the DEV db and rename it PROD. Then open DEV (now called PROD) using the usual shortcut to PROD.
So now that opens fine, and I have to update all the tables from PRODX - and I mean ALL of them - since I don't really know what data has changed since the last update.If I try to delete records I get blocked by access because of all the related records (I don't have cascade delete set on every relationship). So I delete the whole table - ALL of them (this requires me to also delete the relationships). Then I IMPORT all the tables from PRODX (these have the current data). But now the relationships are all gone. It seemed at first that the relationships were back and intact - but when I last looked they were gone. So this is my problem.
HOW do I COMPLETELY empty ALL of the tables - or even delete them - and then restore them or repopulate them from an exact copy of the db but with current table data - and WITHOUT affecting the relationships?
Obviously any back end structural changes have to be handled differently. Usually by manually making the same change on the PROD db that I had in the DEV db - because deleting the table will cause the structural changes to be lost.
One last thing - I've been working this way on an un-split db, and now I'm in the process of splitting it - which SHOULD make updates much easier.
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Mar 11, 2013
I am working with MS Access. The database has 2 tables.
-Parent and Student and ParentID is the Primary key as a parent may have multiple Students
-There is a form that lets me add students for a particular parent
One of the fields in the Parent Table is FeeDue. I added a field in the Parent Table called NumOfStudents..What I want to do is as follows: When a student is added on the Student Form, I want fee to be calculated automatically for display AND update the FeeDue field in Parent table. Event handler executed when a student is added (checkbox clicked)
OnClick()
{
Read NumOfStudents from Parent Table
if(student_added = true)
NumOfStudents++
else /* This is to cover student withdrawl*/
NumOfStudents--
if(NUmOfStudents = 1)
Fee= 400
else
Fee = 500
}
student_added check box is on the student form NumOfStudents and FeeDue are fields in Parent
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Mar 20, 2014
I am building a DB for my college, it is needed to replace a spreadsheet they have in place. The spreadsheet is used to monitor and track Students grades.
Each unit a student passes gives that student a certain number of points, the number of points depends on the grade (e.g. a student will get more points for a B than they would for a C). The point of the DB is to input all the students grades so that student can see how many points they have.
I was wondering if there is a way to add a value to a field, so if I put in a field that a student got a B grade the database would know how much a B grade is worth points wise. Each field should be added together to generate an overall score. Is this possible?
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Jul 2, 2014
I have a table that is linked to a survey and pulls data from the limesurvey backend.
The user would like to add a local field, so they can add entries to each row of data.
Is that possible ?
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Apr 14, 2013
I have tblCategory and tblExercise. The data in tblExercise can sometimes match with more than one record in tbCategory. When inputting data into tblExercise how can I choose to have that stored under more than one field in tblCategory?
Example:
tblCategory: Arms
tblExercise: TRX Biceps Curls
so TRX Biceps Curls can also be under
tblCategory: TRX
Right now I have to input TRX Biceps Curls under Categories Arms and TRX. Very time consuming.
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May 12, 2015
I have a table A in which I write down orders for cars. A record is an order. A single order may contain multiple cars in varying quantities.Each car has its components. Some cars may have some of their components common. There is a table B which indicates each car and its components required with their quantities required to build the car. There is a record for each different car.
Now suppose there is a new car we are going to produce so we need a new record in table B for the car and all its components. Also we need a new field in table A because people can now order the new car(in some quantity).
With form for table B we can introduce a new record. But how can we add a field in table A automatically after a record is added in table B?
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Jul 29, 2014
I have a table with more than 60 fields and need to update it with records from another Access file with a table with an identical data structure.
Is it better to run an update query or an append query (i would have to delete the original records in the target table first) or a union query?
If I run an update query I will have to manually add each field to the query.
The update query will not add 'new' records. If I run an append it is quicker because I can use the * to match all fields, but i will have to delete the 'old' records first, as both tables use autonumber for the PK so the PK ID will be the same in each table (will get a key violation error).
If I import the 'new' table and run a union query it will match the fields and add the new records, but then i will have to create new table from that query.
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Jun 15, 2015
I have a query all set up and now I have to add one field from another table in it. I am looking for a date which has the criteria Now() - Last Movement Date. Last Movement Date is the column I am taking from the other table which I just added which is the ZLX02 table. When I run the query, everything but the Last Movement Date shows up. What can I do to get the Last Movement Date to show? Check out the attached pics.
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Jan 9, 2007
Hi,
I wonder if someone can help with what must be an easy solution to this problem.
I have a table with 350,000 records, but without a unique identifier field. I just want a simple incrementing number field to become the primary key but dont know how to add this in. I cannot add an autonumber as there are two many records - it falls over.
Ive tried exporting it all to excel, but as well as being cumbersome, something went wrong and so I'm back to square one.
I think there must be a way to add an incrementing number either via a query or in VBA but I dont know how. Please can somebody provide a solution.
Thanks,
Adam.
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Jan 6, 2005
I have a text field "Record Last Updated" on a form formatted for date/time that I would like to update after a record is changed or added. So for every change or addition the field would update to the current date. The code I am currently trying to use is as follows:
'Assign current system date to Last Updated field if change of data occurs in any field
For Each ctl In Me.Form.Controls
If (ctl.ControlType = acTextBox) Or (ctl.ControlType = acComboBox) _
Or (ctl.ControlType = acListBox) Then
If Nz(ctl, "") = ctl.OldValue Then
Else
txtLastUpdated.Value = Date
End If
End If
Next ctl
This executes in the forms After_Update event procedure.
Problem is I get an error 3020 "Update or CancelUpdate without AddNew or Edit" when moving to the next record ? I have tried using .Edit and .Update but those come up as an invalid reference?
Any suggestions would be appreciated. Thanks in advance
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Apr 25, 2012
I decide to add a new field to its related table. I always wait to create the form until I think my table is complete, but sometimes I just end up needing to add more info. Is there a quick way to update the form to include my new fields?
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Sep 22, 2013
I have split the data base
Added a new table to the back end .But do not know how to update it to the front end
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Sep 14, 2012
Some days ago I made it by using "query", but now I forget it how I make the relation on this situation. Here is my problem.I have 3 Table on mdb file, named Table: A, B, Status.Table Status have One Filed with 1 Data: Dishonor
Table A have three fields
Sl Number: (Auto Number)
Status: Lookup wizard-data of (Table-Status)-Default Value is "Honor"
Amount:Number
Table B have two Fileds
Sl Number: Number
Status: Lookup wizard-data of (Table-Status)
After Entering Some data on Table A it's Look like as:
Asl numberstatusamount
1Honor5222
2Honor855
3Honor988
4Honor7777
5Honor777
6Honor9999
[code]...
Now I want to change the Status of SL Number Honor to Dishonor so I fillup data on Table B is as like following
sl numberstatus
5Dishonor
Now how I can get the result as following by using query:sl numberstatusamount
1Honor5222
2Honor855
3Honor988
4Honor7777
5Dishonor777
6Honor9999
7Honor6666
8Honor7777
9Honor666
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Feb 6, 2015
I have 2 tables, "Counselors" and "Appeals". There are several names in the Counselor table but it is not a fixed number of names (rows) usually around 7. There is also some variable number of records in the Appeals table, could be 0, could be 50, depending on the day.
I need to, in a round robin fashion, assign the counselor names one by one to the records in the Appeals table. How to loop through the 2 tables and update the name field in the Appeals table with the name in the Counselor table.
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Apr 18, 2007
I have created a Production Tracking database for my company using
Access 2003. Everyone here uses Access 2000, so I have saved the file
as an access 2000 database. I am importing three tables from an ODBC
connection. These tables are being update by another department
constantly. I am using a centralized form for users to view the
information.
If the users are viewing the information and we try to update the
tables they are viewing, we get an error. My question is: Is there a
way around this problem?
This what I have done:
In the module I wrote, I am importing the tables, then renaming them
to the tables the users are viewing, and then altering the structure
of one of the tables. We cannot use linked tables, the reason is we
have only three licenses to access the software through the ODBC
connection. So as soon as three people open the access database they
take those three connections.
Any Ideas?
Thanks,
Phil
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Oct 12, 2004
This has to be a common problem.
I have an environment where I have two databases. One holding tables (The Data) and one holding everything else "The Programs" (Forms, Queries etc)
When the application gets enhanced I currently have no problem updating "The Programs" since I can just copy the new MDB on top of the old MDB.
This is not the case with "The Data", if I need to change any of the tables (since they contain live data, that is modified all the time) I have to physically connect to the machine holding the Data.MDB and modify the tables. The problem is there are getting to be many locations where these changes need to be made.
Is there any way to update the tables from a script (I used to use SQL to update remote tables in a mainframe world)
Thanks
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Oct 8, 2004
Ok. Here's the situation. I have query setup. This query has 2 columns:
1. Agent Name
2. Sale Value
I have 2 tables.
Table1: Includes Sales for this pay period only
Table2: Includes all Sales From past to present.
We are setting up our system on Tiers and Each sale value is going to change. So, Here's what I need:
I need to run an update query that first Looks up all the records in Table1 based on Agent Name. The field that needs to be updated is called SaleValue. It needs to be updated with what's in my Query mentioned above.
Then, all the values in Table1, need to be copied (or updated) into Table2. This can be done based on the Primary Key (SaleID), which exists in both tables. So I guess we will need to run 2 separate update queries. Any ideas on how this can be done?
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Jul 9, 2014
I have a database containing 10,000+ trouble tickets identified by a unique field called "Ticket ID". This is the primary key for my table. (It's on just one table.) These tickets came from an excel sheet that was exported out of a different database. (For various reasons, we've moved the tickets to access.)
Among many descriptor fields, I have a field called "SPR Type" that shows what type of ticket each entry is. (Bug, Defect, Enhancement, etc, etc) The problem we have here is... not all of the ticket entries have an SPR Type listed on my access table because not all of the tickets coming out of the original excel sheet had one.
I was given a new excel sheet containing 400 to 500 ish Ticket IDs and the SPR Type that applies to each of those tickets. How can I take that sheet and use it to update my access table? Ie. Use the excel sheet containing Ticket ID and SPR Type to populate the blank SPR Type fields for each of their respective Ticket IDs?
**Update: I'm trying something like this...
UPDATE [SPR Priority] inner join [EB Update of SPR] on [SPR Priority.Ticket ID] = [EB Update of SPR.Ticket ID]
SET [SPR Priority.SPR Type] = [EB Update of SPR.SPR Type]
But I am getting an error that says "Invalid Bracketing of name [SPR Priority.Ticket ID] and similar errors. What am I getting wrong here?
I thought about an Update query that would populate the SPR Type fields based on Ticket IDs. I could import the new excel sheet into a separate access table and update from there.
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Aug 19, 2015
My father tables contains all the relevant fields with info of my products (which are listed in records/rows). My sister table contains less fields but are all present in the father table. The info is imported from excel daily into the sister table - all the fields here change regularly except for the unique ID which is present in both tables. Because the sister tables' information for the records/rows changes, it is difficult to update the selected fields of the father table.
I want to update selected fields within my father table based on the information I upload from the excel sheet (which becomes the sister table when uploaded)
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Jan 5, 2013
My question is this: I have a table where I'm entering employees' hours worked. Basically, it's something like this:
ID WorkerNumberDateworkedTimeStartTimeEnded
121/2/201310:00:00 AM3:00:00 PM
221/3/20132:00:00 AM11:00:00 AM
321/4/201312:15:00 AM11:30:00 AM
421/5/201310:25:00 PM11:00:00 AM
531/2/201311:00:00 AM3:30:00 PM
631/3/201312:00:00 PM10:00:00 PM
731/10/20137:00:00 AM4:00:00 PM
I have a query that (easily) determines how many hours an employee has worked on any given day. What I can't figure out at all, is how to write a query that can figure out how much time an employee had off in between shifts.
Thus far I'm able to run a query that separates this main table into individual workers by their id numbers, but can't figure out how to determine time off between shifts - as the last hour worked one day, and the first hour worked the next day are on two different lines (they are two different table entries).
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Sep 16, 2013
I have with my database. It's holds cost data including purchase made in foreign currencies which need to be converted to GBP using the correct exchange rate so a variety of reporting & stats can be performed.I have a table called Costs within which there are 2 fields
Purchase Currency
Exchange Rate
I also have another table called Exchange Rates 13/14 within which there are 2 fields
Currency
Exchange Rate
When a value is entered in the Purchase Currency field on the Costs table (this is a look up field linked to Exchange Rates 13/14 so it shows the listed currency in drop down) I need the database to automatically populate the Exchange Rate column in Costs i.e. match the value in the Purchase Currency field to the Currency field in Exchange Rate 13/14 and populate with corresponding Exchange Rate from Exchange Rate 13/14.I have tried the following and none work:
SQL Tried
1.
UPDATE Costs
SET ExchangeRate = [Exchange Rates 13/14].[Exchange Rate]
WHERE Costs.[Purchase Currency] LIKE [Exchange Rates 13/14].Currency
2.
UPDATE
Costs
SET
ExchangeRate = [Exchange Rate]
FROM
[Exchange Rates 13/14]
INNER JOIN
[Exchange Rates 13/14]
ON
Costs.[Purchase Currency] = [Exchange Rates 13/14].Currency
3.
SELECT [Exchange Rate]
FROM [Exchange Rates 13/14]
WHERE Costs.[Purchase Currency] LIKE [Exchange Rates 13/14].Currency
I know it is possible to have a drop down for Purchase Currency which shows 2 columns (both Currency and Exchange Rate) you can then use the exchange rate figure for a calculated field. The problem I have is that I am importing data into the costs table from excel. In Excel I can only have 1 value in the Purchase Currency column on the upload template. If I just have Euro in this column the database does not match it to the Euro in the Purchase Currency drop down and also store the correct exchange rate.
Or is the alternative to put this into the calculation of GBP Unit Cost where this somehow matches the Purchase Currency in the Costs table to the Currency field in Exchange Rates 13/14 tables and uses the appropriate exchange rate from Exchange Rates 13/14 to calculate GBP Unit Cost in Costs table.
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Jun 15, 2014
I have a notes field in the customer table that is a memo field. An example of one customer's notes field data :
<div>20.3.14 Ordered 2 cartons</div>
<div>4.3.14 Ordered 2 cartons</div>
<div>18.2.14 ordered 1 carton</div>
<div>30.1.14 ordered 3 cartons SCENTED wipes</div>
[Code] ....
I want to extract the date to append to a date field in a "Calls" table and the comment into a text field in the "Calls" table. Is there a way I can do this via query or code?
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Aug 7, 2014
I'm trying to create a system where if I enter data into one field it will automatically appear in the corresponding field in another table. For instance if I enter the values 10,12,15 into a field called QID in table A I would like this to appear automatically in a field called QID in table B. Both tables are related and I have enforced referential integrity and 'cascade' options but this still doesn't seem to allow one table to automatically update another. My ultimate aim would be to have a form that you filled in data for the field QID once that then propagated to both Table A and Table B.
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Dec 3, 2012
I'm not sure why a couple tables are not being updated after entering data. I think my relationships are correct. I've attached the database.
steps:
open Main form
add addres then try to add an owner. it doesn't work the first time but it does work the second time. add test data and that works. now if you look at the related tables (OwnerInfo, WellLocation, TestData) they all have p_id which is the wellLocation Id
now open gernalinfo form
enter in info (tests requested doesn't work right now but you can click on them in the tbl GeneralInfo)
Now if you go to the table OwnerInfo and TestData the key p_id has not been updated. But it's there in WellLocation (ID).
Why are these tables not getting updated?
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Feb 9, 2013
i want to update a field of the table from a field of query .
this is the syntax :
UPDATE tbl_PresentStockAll INNER JOIN qry_BroachStock ON tbl_PresentStockAll.ProductId = qry_BroachStock.ProductId SET tbl_PresentStockAll.Broach = [qry_BroachStock].[BalanceQuantity];
but i am getting error of "operation must use an updateable query".
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