Update Is Changing Field Type
Oct 1, 2007
i have a temporary table which is created by importing an excel file
some extra fields are then added to the table using sql vb code for example
strSQL = "ALTER TABLE [TBL_TmpSubmission] ADD COLUMN [EnergyUnit] TEXT;"
CurrentProject.Connection.Execute strSQL
these fields are later populated conditionally using an update exectuted again from vb code
If Me.cboProgram.Column(0) < 3 Then
strSQL = "UPDATE TBL_TmpSubmission SET EnergyUnit = 'GWh'"
Else
strSQL = "UPDATE TBL_TmpSubmission SET EnergyUnit = 'CarbonTonne'"
End If
CurrentProject.Connection.Execute strSQL
the problem is that this field now has a memo data type, this is a problem because i need to write a query which uses this field in a table join and access won't let you join on the memo type
anyone know why this might happen? for the time being i'm going to try and fudge this by using a further ddl statement to change the data type back to text but i'd rather know whats going on here
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Jul 18, 2013
I am trying to change the data type of a field in a table from calculated to something else. It gives me the error "this data type cannot be changed once the field has been saved"
Is there any work around to this?
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Oct 23, 2013
I have a field in a table that is comprised of mostly numerical data but some records are text.
I want to convert this field to numerical only and make a new field to put the textual data in.
However converting the field will delete the textual data. What is the easiest way to convert the field but save the textual data AND append the textual data to the SAME record that they were in originally in the new field?
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Feb 18, 2005
I have inherited a table where the data type is binary in some cases and I want to change these to Numerical. When I do this in design, I get a message which says I can't do that. I have something like 200,000 records.
If I try to export as Text file I get Invalid Argument message coming up. Can anyone help?
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Mar 18, 2007
realtion between category table and products table should be one - many. when i make the relation, it is always one - one.
this is of course making impossible to have 2 prdoucts with same category in the products table.
attached is my current table relationships, please guid me for a fix if applicable
thanks
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Sep 27, 2011
My database consists of one large table of approx 3.9m rows and about 12 different columns. One of my columns is of a data type "date/time" but i need the format of this column to be "text"
The problem is that when I right click the table/go to design view/ and try to change the data type, I get the error "Microsoft Access can't change the data type. There isn't enough disk space or memory."
Which means i can't take the easy way out. Is there a way I can just create a new identical table and change the data type of my one column? I was thinking there might be something in SQL I could do, or some how in creating an identical table where only the field type has changed. I should note, I looked up this using the access in file, and it appears the ALTER TABLE SQL will not work on my machine.
the dataset was created from a txt file which as been lost to the ether, and I can't import the database into excel using a macro I didn't write unless the format of my column is text.
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Jul 6, 2005
I am trying to change a field that currently has a data type of number and I want to change it to a date/time data type. When I try to do this, I get a message that says there isn't enough disk space or memory. I am working with a database that has about 100,000 records in it.
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Aug 5, 2005
I am trying to change a text field (that has been used to store Dates) into a date/time field so that I can sort it correctly
However, when I try and change the data type, It gets to about 90% on the progress bar then tells me that my system does not have enough memory available, and that an error has occured, data type not changed etc.
My system is fairly powerful, and I don't think that it is strictly the problem.
Any ideas??
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Jun 9, 2005
I want to say update set field1 = field2
But field1's data type is Number and Field2 is Text. (Field1 is fed by a lookup table). Am I doomed to go through the 700 or so by hand, gurus, please?
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Oct 21, 2005
Can anyone help -
I am importing an Ascii text file with decimal numbers ie (144392.26). the receiving field is defined as double with decimals set to auto. I have tried many other formats such as fixed 2 decimals, or Currency 2 decimals. In all cases the data has changed from its original value to 144392.265625 which of course rounds to 144392.27 on all reports. If I use a link to the same Ascii file the data retains its original value when it is appended to an empty table. But ... When I try to use that correct value in the appended table to update another table it again converts the amount to multiple decimals and may increase by more than .01.
Is there away around this problem.
Jim M
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Apr 24, 2013
i have an update query that looks for a product number, updates the cost, and re-calculates the price in two columns based on the salesman's margins. the problem i am having is that it seems to be hit and miss on the first run. if you run it again, it runs the calculations on all the fields. (it has to check / recalculate 16,000 rows.) should this query have vba to make it loop thru the table.
here is the basic layout of the query:
table 1 is newproductq
table 2 is Products
Field: PriceIn
Table: newproductq
Update To: [Products].[Cost]
UNITS
newproductq
[PriceIn]/((100-[Margin])/100)
PIECES
newproductq
[PriceIn]/((100-[BrokenMargin]/100)
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Jul 25, 2013
I have an update query for tGLCashAccount where it adds a value from another table with the BeginningBalance to arrive at CurrentBalance.
Here's what it looks like in design view:
Field: CurrentBalance
Table: tGLCashAcct
Update to: [tMakeNewCashBal].[TotalPrice]+[tGLCashAcct].[BeginningBalance]
Here is SQL code:
UPDATE tGLCashAcct, tMakeNewCashBal SET tGLCashAcct.CurrentBalance = [tMakeNewCashBal].[TotalPrice]+[tGLCashAcct].[BeginningBalance]
WHERE (((tGLCashAcct.GLCashAcctID)="102"));
I get the error: data type mismatch in criteria expression when I run it.
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Nov 3, 2012
From a table I want a text field which has a path to a file to be copied automatically into a another field of the same table with a hyperlink text type...
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Feb 1, 2014
I cant change the table property to number only so is there an afterupdate code I could run on a field and check for alphanumartic charters ?
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Jul 31, 2014
I currently import data into a table and it it has a text field which looks like this: 12,345.67 GBP...I need to use a query to make this a number field so that I can sum it's contents. I've managed to remove the 'GBP' part but can't seem to get rid of the comma?
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Sep 29, 2005
I have a field defined with a Yes/No type. When it appears on the form instead of showing up with a Box with a checkmark, it shows up as -1 or 0. Any thoughts as to what could be the problem ?
Thanks.
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Jun 29, 2007
hello people, i wanted to add a string at the end of a long column of Currency. Is there any to to change only the last field to a string or do i have to change the whole column just for the last field?
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Sep 11, 2006
I have a query to go through a table and pick up the amount of money earnt during a period then I use that field to calculate commission, but the commission field just shows up as numbers and not as currency as the set field in the table does.
Is there anyway in SQL to say what sort of data type a field should be...
Example of sql string
SELECT Sum([Work].[Earnings]) AS [Period Earnings], [Period Earnings]*(17.5/100) AS [Commisssion] FROM Policy
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Sep 25, 2005
Hi Everybody,
I have a database in mind but I will need a new field-type that would contain an image file. I don't care if the image format is jpg, bmp, or gif or whatever.
Can I store any image inside an access database, and if so how do I do this? Hopefully, I can have an inventory database that would also contain an image of each record in the database. ( I hope to store the actual image in the field, rather than "file-path" pointing to a directory full of actual image files )
Regards,
-Paul-
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Aug 22, 2007
I have been researching changing the field type of a table to Hyperlink and have been unsuccessful.
Everytime I add a field to a specific table the hyperlinks get busted. What I am doing programmiticaly is:
1. Deleteing the field
2. Re-creating the Field (text)
3. Concantonating two fields into the new field
4. Create a second field (hyperlink)
5. Copy those recrods into the hyperlink field
6. Delete the first
7. Rename the hyerlink to the original feild name
I get this to work but the hyperlinks are still broken.
Programmatically:
If I Create the new field
Concantonate two fields into it
Then Manually Change the field name from Text to Hyperlink
everything works great.
QUESITONS:
WHAT CODE is being run whern you go into the properties of the table and change the field type from Text to Hyperlink?
Can I use that code for this purpose?
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Sep 15, 2006
Hi,
I created a field of type number and formatted to display percentages; however, it seems to add two zeros at the end of every percentage I enter. e.g. if I type 9%, it will show 900%.
Am i doing anything wrong here?
Any help will be very much appreciated.
B
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Oct 2, 2006
Hi,
I have searched on this and it says: it doesn't matter as long as it's of type text. It matter if it's long integer..etc. I am not quite sure.
I wonder if default size '50 of fields' of type text occupies that size in memory even though the data in the field is not 50 chars.
Regards,
B
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Jan 30, 2007
Have an odd problem that eludes me at the moment I have table with a text field for surnames and if I type the surname Ballance into the table it automatically reverts to Balance can see no logical explanation for this at the moment funnily it does exactly the same in excel
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Aug 22, 2005
Access 2002/2003. I have inherited an old Access 2000 database where one of the fields in the table had a Number data type with TEXT in it. I noticed the wrong data type and I change it to text. All appeared OK until I attached a combo box to this field. When clicking in or opening the combo box in any row in this table with the old text, I get an error message: "The value you entered isn't valid for this field. For example, you may have entered text in a numeric field or a number that is larger than the FieldSize setting permits." This field has about 3,000 records in it, and it appears to be corrupted and a permanent numeric field, I have tried everything to fix it: Compact and Repair; Import, append, and update this field into another table/field and I cannot get rid of the error message. How do I get that Number field finally and completely converted into a TEXT field? Anyone got any ideas? Thank-You! :o
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Feb 21, 2006
I have a field which is formatted as currency. When a button is clicked, it shows the value of the field. Because it is a currency field, if you enter "10", it is immedatly changed to "£10.00", although when i use txtAmount.Value, it gives me the "10" value. This is especally a problem if pennies are used - if someone enters "15.10", the .Value reterned is "15.1", which makes it seem like "15.01" has been entered. How can I get the currency-type value form the field?Thanks for any help.
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Jan 17, 2007
hi,
I have atable with fields time in and time out (short time type), in aquery i did a diffrence between that to fields, so I can know to evry employee every day how many hours work.
but, my problem is how do summation to the work hours to the month (it's a short time type).
example, an employee work from 8:30 to 15:00 in the first day, second day work from 9:10 to 14:20 ....etc
at the end of the month i want to have report from query which give me sum. of hours the employee workes.
thanks to help me
suhad
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