Limit Number Of Fields Returned By ODBC Table
Jan 9, 2008
Hi all, I've searched this with no success.
I have a ODBC (Firebird) table linked using a DSN connection which has >300 fields. In Access, the linked table only show 256 fields (max for Access). Otherwise the link works fine. I have no control over the source Firebird table.
What I'd like to do is limit which fields from the Firebird table are shown in Access. I don't need all the fields, but I need some that are at the end and are not linked in the current setup.
I'm very much a novice at using ODBC, but can I somehow use SQL or some other method to specify which fields to show in the linked table?
Thanks for any suggestions,
John
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Sep 1, 2006
My boss has a table with tons of fields on it, he designed it this way because it was easier to add data to one place, but now the table keeps crashing, does ms 2k have a limit to the number of fields in a table??
Thanks in advance.
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Feb 9, 2006
One of my tables contains data/records like this: 02092006P1235665
Does anyone know how I would write a query to return only the first 8 characters from these records, not the entire field.
For simplicity lets call the table RECEIPTS and the field RECEIPT_NUMBER
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Dec 19, 2006
I only seem to be able to add some 30 calculated fields to a form or report. Anything over this returns a #Name? error. I've seen this before but have searched this and other forums but cannot find an answer. I suspect a memory issue but I have 2 gb on Pc. Any Ideas?
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Jul 8, 2014
I am new to Access and I am developing a form. I have already read and found useful resources on internet but there is something I am not able to sort out.I have seen that the limit of fields I can enter in Access is 255 and my survey is far below that number.So no issue at all when I created the fields in Data view.However, the issues started when I created a form.
I created a form by Create>Form.The last few fields, at the very bottom of the form, are squeezed onto each other as if there was not any space available. Is there a limit to the number of fields I can have in a form? There should not be if I am allowed to enter up to 255 fields. How can I go about it? Should I alternatively create 2 forms? I would rather not to though.
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Apr 22, 2013
I have to submit a file to a government agency that requires more than 200 columns. Is there a number of column limit an Access table can have?
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Nov 1, 2006
Hi,
I have made a query from different tables; however, my query is returning about 5 rows for each person because some fields in the query return more than 1 row.
Is there anyway to fix this problem?
Thank you,
B
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Feb 12, 2014
I have a table that requires 260 fields for a specific reason. Is there any way to bypass the max number of fields allowed in a table?
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May 15, 2005
Hi,
I would like to count the number of records returned from a query, but am unsure how to do this using VBA.
Any help appreciated.
Thanks
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Aug 24, 2004
Hello all. I need some help calculating the total number of records returned in a query anytime i run the query.
I have a form that creates an SQL statement and changes the querydef at runtime and displays the results in a listbox. I want to include on my form a percentage of the total records from the table based on the records returned in the query Ex. (5/10) so I can use this information on a report.
What I am trying to ultimately acheive is to calculate an attrition rate based on the number of (clients that leave in a given period / total new clients added in the given period )
thanks for your help!
tony-t
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Mar 21, 2007
I have a strange 'bug'.
I wrote a query to return the TOP 32 items for a key. Works fine:-
SELECT TOP 32 [my Disks Coefficients sub].[thier Disk ID] FROM [my Disks Coefficients] AS [my Disks Coefficients sub] WHERE [my Disks Coefficients sub].[my Disk ID]=1 GROUP BY [my Disks Coefficients sub].[thier Disk ID], [my Disks Coefficients sub].coefficient ORDER BY [my Disks Coefficients sub].coefficient;
I then plugged this into a query in the WHERE clause using In (Select Top .....;); [changing the =1 condition to pick up the correct id from the emcompassing query]:-
SELECT [my Disks Coefficients].[my Disk ID], [my Disks Coefficients].[thier Disk ID], [my Disks Coefficients].coefficient FROM [my Disks Coefficients] WHERE [my Disks Coefficients].[thier Disk ID] In (SELECT TOP 32 [my Disks Coefficients sub].[thier Disk ID] FROM [my Disks Coefficients] AS [my Disks Coefficients sub] WHERE [my Disks Coefficients sub].[my Disk ID]=[my Disks Coefficients].[my Disk ID] GROUP BY [my Disks Coefficients sub].[thier Disk ID], [my Disks Coefficients sub].coefficient ORDER BY [my Disks Coefficients sub].coefficient;);
This runs fine but the the number of items returned is for each key is less than if I run the Top query by itself for each key seperately? So when I run it stand-alone for ID 1 I get 127 rows (there are many equal coefficients); when I run it as a sub-query I get only 121 rows for ID 1!
Anyone any ideas?
Martin
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Mar 9, 2013
I am trying to use Dcount to find the number of records in a query and put it on a text box in the header of a report. The query is a parameter query. The button opens a form which asks for start and end dates, the query reads those dates from the form and the report displays the correct number of records that fall within the date range. The query is based on another query, which is based on the table. I tried =dcount("*","qryName") but I get #error. Maybe becauase of dates? or parameters?
Access 2010, Windows 7
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Aug 11, 2015
I'm trying to run a line of code after doing a Query Search that reports back the total number of results pulled from the search. I've dug around and found some useful code, but nothing that gives the results I'm needing. Most everything gives me the total number from the query. I'm also using a Split Form.
The process goes: Enter numeric search in Text10 and hit the search button to run the following macro: [studentID]=[Forms]![Query1]![Text10]
It then gives me the requested information.I have a second text box (Text19) that needs to display the number of pulled results. I've written VBA that only gives me the total number searched for studentID or for the entire Query.
Can I simply add an additional line to the Macro?
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Aug 4, 2014
All; using 2010. How can I get a subform to grow or shrink based on num of records returned? Its a continuous subform. Tried changing Vertical and Horizontal Anchors as well as some VBA suggestions but havent been able to make any of them work.
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Aug 1, 2006
Hi,
I have searched for an answer to this question a lot, but I could not find it. I hope anyone can help me with the following:
I need to do a database in MS Access; however, there is so much information and some of it is not related. After normalising it, it looks like I need a number of tables. Is there a limit to how many tables you can have on Access? And how many tables is the recommended size?
Any help will be very much appreciated.
Bee
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Mar 10, 2008
Is there a limit on the number of records you can have in an access database? I've got one with 8500 records and it's been a PITA! I have a webpage on our intranet so users can go and enter their information to it, and they get a nasty error whenever they try to enter information. I'm trying to figure out why and i was just wondering... i know it's not the webpage because when i connect it to my test database it works fine? so i dunno :confused:
any help is greatly appreciated!!
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Mar 29, 2005
Hi All.
Is it possible to limit the number of records in a form, to a number given in a linked form.
For Example.
tblA
StreetName
No_Of_Houses
tblB
Name
Number
I would only want the number of records in tblB to be the same as No_Of_Houses in tblA.
I have seen previous threads where you can limit it to a number, but do not know where to go from there.
Can anyone help?
Thanks.
Frank.
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Jul 29, 2005
I am designing a database for a marketing company. One of my tables has all of the company's contacts. On the contacts form, I have a button that opens up a query that shows the information for the company that contact works for. I have a problem where if I have more than one contact per company, it will return that many results (which is just a repeated list of the same company information). It is an eyesore to look at the same information in two or more rows, so I was wondering, can I make the query return only one result? I've been looking online, and I haven't found this at all. Thanks a lot.
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Mar 3, 2006
HeyI'm trying to create a Library database. This involves restricting the number of loans available to each member (currently 3). I need to make it so no more than 3 records exist in that table for each member. For now ive just entered a VB script that has a message box saying not to enter more than 3 loans per person but I dont think thatll be enough, I need some sort of validation for the whole table rather than a field.I know how to limit the returns of sql queries which is all I can find, but not how to limit the actual amount of entries. The loan table is part of a double query within a subform of the member form if it helps :s
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Jul 4, 2013
I want to limit the # of records being entered in a form according to a limit value which has to come from a query.
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Aug 6, 2013
I have a form that retrieves information from a query (which of course uses data from a table).Everything is working great and I want to roll it out.will multiple users accessing the form/query/table at the same time corrupt the database or not return a result?
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Dec 14, 2005
Hi guys,
I have a text box, which requires a 8-digit number entry. I have wrote the code to check that the length is 8 and if it isn't a label will turn visible next to the field telling the user entry must be 8 digits.
This works for when i enter a number less than 8-digits but when i input a number with more digits as it does not fit into the text box it turns it to a scientific format value and when the code runs it shows the length is actually 8! And therefore the entry is valid!
I.e. when i input 123456789 the text box shows 1.23E+08 which is 8 charecters!
I dont want any error messages to pop up as i handle them by code and use labels to show the error message next to the problem field and i would like to keep this consistent. Is there any way i can do this by a function or a property in the table or form?
I appreciate any help/advice
cheers
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Feb 4, 2008
Help anyone
I have a small database which lists delegates for courses.
I have a venue which will hold only a small amount of people
is there a way of stopping data entry when it gets to a certain point. ie putting a limit on how many columns can be entered on a single table
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Jun 20, 2013
I am looking for a way to limit the number of rows that are added to the subform of a main form. Is there anyway that the allowable number of rows be defined using a field on the main form.
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Aug 16, 2014
building a validation expression that concerns four of my fields:
Quote:
Country | Text
Centr | Boolean
Centr limit | Integer
Apply | Boolean
The number of records that have the same country, AND Centr=TRUE, AND Apply=TRUE, should not exceed the Centr limit value.
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Aug 1, 2013
I have a report that is group based on a number refered to as "Line". I want to only have three records per group. How can I do this?
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