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05.16.2008 at 08:50AM PDT, ID: 23408728

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9.6

Import Large Text File into Access Table

Zones: Access Coding/Macros, Microsoft Access Database, Visual Basic Programming

Tags: VBA Access 2007

I have a large text file with about 100 fields that I import into Access 2007 with a Macro and a Import Spec that works fine. However I would like to write a VBA procedure to import this and modify the data as I write it to the table, for instance if RESP = 6, then RESP Code = Tom. Can someone help me with this.

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Question Stats

Zone: Microsoft

Question Asked By: amac64

Solution Provided By: matthewspatrick

Participating Experts: 1

Solution Grade: A

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05.16.2008 at 08:54AM PDT, ID: 21583878

Rank: Genius

matthewspatrick:

Hello amac64,

1) You are almost always better off importing the data first, and then running queries to update/delete
data as necessary

2) Your example:
>>if RESP = 6, then RESP Code = Tom
shows that your data are denormalized. You are far better off using a separate, related table to
hold RESP Codes, and then joining to that table on queries.

Regards,

Patrick

05.16.2008 at 09:07AM PDT, ID: 21583997

amac64:

I understand what you are saying, but there are other things that I need to change and I would like to do it at import plus it will help me to learn how to work in VBA.

05.16.2008 at 09:17AM PDT, ID: 21584087

Rank: Genius

matthewspatrick:

amac64 said:
>>I understand what you are saying, but there are other things that I need to change and I would like
>>to do it at import plus it will help me to learn how to work in VBA.

My advice still holds: import first, then use queries to validate/massage the data.

Use DoCmd.TransferText to run the import, and then DoCmd.RunSQL or DoCmd.OpenQuery
to run the validation/update queries.

05.16.2008 at 08:12PM PDT, ID: 21587841

amac64:

is there someone who can help me with this, while mattherspatrick may be right, I want to use this as an opportunity to learn something in VBA.

05.17.2008 at 04:27AM PDT, ID: 21588769

Rank: Genius

matthewspatrick:

amac64,

Here is a simple VBA example...

Regards,

Patrick

                       
         
           
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             Sub ImportTheFile()
 
    ' This sub imports a text file then runs a series of queries to validate / 
    ' update the data imported
 
    With DoCmd
        ' turn off warnings
        .SetWarnings False
        ' import the file
        .TransferText TransferType:=acImportDelim, SpecificationName:="Spec", _
            TableName:="YourTable", FileName:="c:\folder\subfolder\file.txt", _
            HasFieldNames:=True
        ' run some predefined update, append, and/or delete queries
        .OpenQuery "Query1"
        .OpenQuery "Query2"
        .OpenQuery "Query3"
        ' an example of running a SQL statement defined in code
        .RunSQL "UPDATE YourTable " & _
            "SET SomeDate = Date() " & _
            "WHERE SomeDate >= Date()"
        ' warnings back on
        .SetWarnings False
    End With
 
    MsgBox "Done"
 
End Sub
           
         

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Accepted Solution

05.17.2008 at 07:27AM PDT, ID: 21589442

amac64:

Great, thank you, this helps alot.

20080236-EE-VQP-29 / EE_QW_2_20070628