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MS Access 2003: Operation must use an updateable query


Looks like a pretty harmless query, but I get 'Operation must use an updateable query' message.

UPDATE tblUpdateDetailWrk INNER JOIN IOT_Data ON (tblUpdateDetailWrk.ITEM=IOT_Data.PART) AND (tblUpdateDetailWrk.STNO=IOT_Data.LOCATION) AND (tblUpdateDetailWrk.LINE=IOT_Data.MFG) SET tblUpdateDetailWrk.IOTTrigger = IOT_Data.WEIGHTED_COVERAGE
WHERE (((IOT_Data.WEIGHTED_COVERAGE) Is Not Null) And ((tblUpdateDetailWrk.Update)=Forms!DataLoadForm!UpdateName));
2 Solutions
bigtwigAuthor Commented:
The IOT_Data table is an ODBC linked table in Oracle, but this is working in many other places...
Looks like you are trying to update two tables at once, which I beleive is not allowed....
bigtwigAuthor Commented:
I'm only trying to update one field: tblUpdateDetailWrk.IOTTrigger and setting it to IOT_Data.WEIGHTED_COVERAGE... what am I doing wrong or what am I doing that makes it appear I'm trying to update two tables?
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Dale FyeCommented:
There are a number of reasons why a query might not be updatable.  Check out Allen's list at:

The one that is probably most likely is:

The fields in a JOIN are not indexed correctly (there is no PK or unique index on the JOINed fields.
Attach a database with the 2 tables and query. Import the linked table and make sure the issue is still holding.
bigtwigAuthor Commented:
Never got it to work, but you gave me good places to look. Thanks.
Dale FyeCommented:
If you could post the two tables, as hnasr suggested, we might be able to provide a better solution.
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