Changing Data-type In Table?
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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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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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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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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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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Apr 15, 2013
what I want to do is make a button to search range of columns in data table with data type Yes/no and display the results if the value is yes
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Nov 3, 2012
I have a table with a field with names set to text data type and i want to change it to number data type but when i do it in design view the data get lost. I want to know if there is a way to convert the data in the field as number type and keep the data in the field.
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Dec 17, 2012
I have a table and a simple query that pulls results from the table. Nothing too crazy. But, if I were to go in and change some of the data/values in the query results it will change the respective data in the table. I know that this cannot be right. What do I have to do to either prevent the ability to change query results and/or prevent any changes in the query from altering the original data in the table.
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Jul 10, 2012
I previously created 2 tables:
One lists all the stock symbols and company names = SYMBOL
The second table lists the purchase information for each stock = PURCHASE
I then created many queries, etc. using this data. Symbol is the key link between the various tables, queries, etc.
NOW that I understand the lookup wizard in the data type, I would like to change the symbol field in the purchase table to a Lookup field. I, of course, receive a message. I am told to delete the relationship with the other tables. If I remove the relationships and change the data type, can I then replace the relationship with out damaging all the queries and forms?
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Mar 5, 2007
Hi,
Trying to get back into Access after some time now and could do with some help please...
I have 2 tables, one table stores titles (mr, mrs, etc). I tried using the 'lookup' data type to link the data from the other table.
This however stores the field as a number and causes problems as only a number is shown rather that the text (in the tables).
How can I set it so Mr, Mrs, Miss can be displayed in a drop down list, rather than the Primary Number (ie Auto number).
Make any sense?
TIA
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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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Jul 17, 2007
Is it possible to set the yes/no data type fields in an Access table to behave like radio buttons? In other words, if they click yes in one data field, it automatically prevents them from clicking yes in the next data field. If so, how?
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Mar 16, 2013
I would like to work with a field "record number" like: "ABC01-01-2013A1".Standard data types do not allow for this possibility.I would also like the date updated itself automatically and the number incremented A1, A2 until A9 then B1
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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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Nov 10, 2005
I have a table that contains all of our company pricing for services. You can see a screen shot of the table here:
http://www.x-raysband.com/table1.jpg
All of this data is locked and cannot be changed by the user. However, the seasons keep getting mixed up. What I mean by this is that suddenly there will be a record missing from one of the seasons and there is a duplicate record in one of the other seasons. See the spot-shadowed fields here:
http://www.x-raysband.com/table2.jpg
Off season and Spring are now missing entries for CDJ, INC but the records that belong in those places are now showing as duplicate entries in Prime and Regular. Simply put, the season name somehow got changed within the record, but there is nothing in the system that allows a user to do that.
This has been happening ever since I added the pricing feature to the DB and I am completely stumped. Our work DB has the tables stored in a SQL server back end.
If anyone can shed some light on why this might be happening, any help would be appreciated.
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Mar 7, 2006
Hello everyone, and thanks in advance for any help you can provide.
I am currently working on a large project to track, issue out, and re supply an operational stock of various tools and parts we use in our shop on a normal basis. This program is in it's beginning steps at the moment, and already I need some help.
If anyone has any tips on how I can change the raw numerical data in my table, via a textbox and a command button on a form, I would be greatful. I am trying to avoid allowing users to directly modify table data. Although this method is what I am aiming for, I will gladly accept any suggestions. Thanks
AIC Jason Kiebler
OSAN AB ROK
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Sep 8, 2004
My scenario is that a user enters how many parts of 'Part No.' are going in or out of Inventory. I also would like fields automatically entered on other tables based on the data the user enters. All I need is some understanding of how to code something like this or a pointing in the direction of a resource that can tell me how to code this VBA stuff and the syntax required.
Hopefully you get what I mean.
Thanks.
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Jun 18, 2014
I am creating a table that is a master list of all of my company's product. Each "customer" that we have will always be ordering the same items, but not all of the items that we have available. I need a way to go through the master list and click a yes or no and have that item added to the "customer's list of items on a new table.
I need to create a sublist for each "customer" like individual shopping cats for each customer. These individual lists need to link back to the master list in case of product changes, description changes, and cost changes.
I would like to create a form where the end user can type in a product number, description, or manufacturer number and have that item added to the "customer's" list.
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Apr 24, 2014
i wanna to insert a new field in the table ... which fill automatically with the date in which i modified the data in this record ...and then i'll insert this field in a report
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Dec 2, 2013
I have a training Database in Access 2010 that I am creating. I have "courseindex" which is the table that has course titles and the course required frequency. I also have "trainingcompleted" which is the table that contains all training my employees have completed. The form "training" contains employee data and all training each employee has completed.
On the form "training", the training completed is selected from a combo box, which is pulled from the table "courseindex". When I update the combo box, I would like the training frequency field that corresponds to the selected training to auto fill in my "trainingcompleted" table.
Once completed I should be able to generate a report, where the user enters a date range and it will tell me who is due for training within that time frame. I have the forms, tables, and reports set up. I can enter the next due data in manually each time I update a record, but I would rather that data be updated automatically, since the frequency for each training will never change. I have over forty courses that employees must take. Some courses are required annually, some bi-annually, some every five years, etc...
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Jul 18, 2006
Hi,
I have two Tables TA and TB. I have a set of queries based on TA. I want to substitute TB for TA (i.e. TB will stand in place of TA). I want the old TA queries remain unchanged but now be based on TB.
If I delete TA and then rename TB into TA, I will lose the queries. Therefore I want to 'point' the queries (in the most efficient way) to TB instead of to TA.
Then I can delete TA. Then I can rename TB into TA and the queries will follow along, I expect.
I have been trying in vain to find a way of pointing the queries to TA instead of TB? How do I do it?
I have done it with Forms (Design Views, Properties), where I can select a datasource. But where is the corresponding thing enabling me to select a datasource for Queries?
Thanks.
Adrian
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Jan 28, 2014
How do I change the sub-data sheet in a table to reflect another table instead of the table I chose?
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Aug 29, 2013
I have a form that allows users to click on an item in a listbox and it brings them to the selected record in another form. However, everytime I close the form and open it, it changes the client name in the list to the client ID.
List is set up like this
Client ID | Client Name| Order Date
1 Mike 2013-08-04
2 Jon 2013-08-15
3 Mark 2013-08-17
ETC...
Turns into this on close - Changes the client name to the ID of the last item selected before close
Client ID | Client Name| Order Date
1 Mike 2013-08-04
2 3 2013-08-15
3 Mark 2013-08-17
ETC...
Select statement is:
SELECT Client.[Client ID], Client.Client, Client.orderDate FROM Client ORDER BY Client.orderDate;
Code is:
Option Compare Database
Private Sub Command22_Click()
'opens the form with my subform that holds the table data
On Error GoTo Err_Command22_Click
Dim stDocName As String
Dim stLinkCriteria As String
stDocName = "Client1"
[code]...
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Feb 9, 2005
I was wondering if there is a way to export the Table Design Structure:
1) Field Name
2) Data Type
3) Description
Into a Spreadsheet.
I was able to do this a long time ago, but can't seem to remember. I'm using Access 2000.
Thanks!
Joe
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Jul 17, 2014
I created a table in MS Access using a Lookup & Relationship data-type. This means that my record cells call upon a particular table for values. It creates a LIST of values for that cell.When I query a particular value in this table I get every possible combination of the value. My query and code are below:
OR,
SELECT MainT.Content.Value, MainT.Source, MainT.[Entities Impacted].Value, MainT.Update,
MainT.[Divisions Impacted].Value, MainT.Announced, MainT.Effective, MainT.Stakeholders.Value,
MainT.[Ref#ID], MainT.[Issuing Agencies].Value
FROM MainT
WHERE (((MainT.Content.Value) Like "*" & [Forms]![SearchF]![ContentCB] & "*" Or (MainT.Content.Value) Is Null)
[Code] .....
This means that if I query STATES: "California", I'll get back every possible combination that exists with the name California in that particular field.The issue with this is that I'll get MULTIPLE primary key values rather than just 1. So, if one record, under STATES has California in it, but the other fields in that record have the Lookup & Relationship data-type, then every possible combination of that record will query instead of the multiple field-values form that you'll see in the table I am querying.
notice that my primary key (REF#ID) is repeated numerous times! This obviously causes problems with generating records and forms concerning information for 1 particular primary key. Is there a way around this problem other than specifying search criteria down as much as possible?! Perhaps there is some SQL code.
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