I have a linked table (to an oracle db), and I am trying to run a simple update query against it to change some data, but I am getting the following error:
"...didn't update 0 fields due to a type conversion failure, 24 records due to key violations, 0 records due to lock violations..."
The table I'm updating has 4 primary key's, and I'm trying to update the data in one of them. The data I'm updating shouldn't violate the uniqueness of the multiple primary key's.
How do I get around the "key violations" error so I can update this field?
Thanks.
11  12407  
I have a linked table (to an oracle db), and I am trying to run a simple update query against it to change some data, but I am getting the following error:
"...didn't update 0 fields due to a type conversion failure, 24 records due to key violations, 0 records due to lock violations..."
The table I'm updating has 4 primary key's, and I'm trying to update the data in one of them. The data I'm updating shouldn't violate the uniqueness of the multiple primary key's.
How do I get around the "key violations" error so I can update this field?
Thanks.
A simple test. Open your linked table directly from the Database window. Enter just your one field (the one you're trying to update with your query) and try to move to the next record. You'll notice that it NEEDS to have data in all fields required by the key. This is the same as if you were to create an index in a native Access table. All fields in the index must be satfied before you are allowed to save the record.
I suggest that if you need to add a record, they "dummy" up the remaining fields in your insert query.
J
I'm not sure I understand what your saying.
I'm not appending the table (adding records to it), I'm updating the records that are already there, so at no point I'm having null values in the other fields.
btw, when I do try to simply enter the new data in the field I'm trying to update, I get an "odbc call failed" error.
MMcCarthy 14,534
Recognized Expert Moderator MVP
I have a linked table (to an oracle db), and I am trying to run a simple update query against it to change some data, but I am getting the following error:
"...didn't update 0 fields due to a type conversion failure, 24 records due to key violations, 0 records due to lock violations..."
The table I'm updating has 4 primary key's, and I'm trying to update the data in one of them. The data I'm updating shouldn't violate the uniqueness of the multiple primary key's.
How do I get around the "key violations" error so I can update this field?
Thanks.
Post the SQL of your update query. You may inadvertently be adding a null value to some of the records.
Also 4 is a very large composite primary key. Are you sure about the structure of your database.
MMcCarthy 14,534
Recognized Expert Moderator MVP
I'm not sure I understand what your saying.
I'm not appending the table (adding records to it), I'm updating the records that are already there, so at no point I'm having null values in the other fields.
btw, when I do try to simply enter the new data in the field I'm trying to update, I get an "odbc call failed" error.
Sorry I didn't see this before I posted. Are you sure you have update privilages on this table?
Post the SQL of your update query. You may inadvertently be adding a null value to some of the records.
Also 4 is a very large composite primary key. Are you sure about the structure of your database.
Here's the SQL:
UPDATE HMEPRODUSER_AVG _ET_STATS SET HMEPRODUSER_AVG _ET_STATS.UNIT_ CATEGORY = "3A20"
WHERE (((HMEPRODUSER_ AVG_ET_STATS.CO MMUNITY)="428") AND ((HMEPRODUSER_A VG_ET_STATS.UNI T_CATEGORY)="2A 20"));
The table has 5 fields, and according to the properties section, 4 of them are primary keys. I do have update priveledges, I was able to update the 5th field which wasn't a primary key.
For the query, I"m updating the category field to "3A20" in all fields where the category field is currently "2A20" and the community field is "428".
Thanks.
MMcCarthy 14,534
Recognized Expert Moderator MVP
The update looks fine. However you will have to check for data validity. Try running the following query ... -
SELECT H1.UNIT_CATEGORY, H2.UNIT_CATEGORY
-
FROM HMEPRODUSER_AVG_ET_STATS As H1 INNER JOIN
-
HMEPRODUSER_AVG_ET_STATS As H2
-
ON H1.FirstPrimaryKey = H2.FirstPrimaryKey
-
AND H1.SecondPrimaryKey = H2.SecondPrimaryKey
-
AND H1.ThirdPrimaryKey = H2.ThirdPrimaryKey
-
WHERE H1.COMMUNITY = "428"
-
AND H1.UNIT_CATEGORY = "2A20"
-
AND H2.UNIT_CATEGORY = "3A20"
If I've gotten the logic right it should show you if you are trying to duplicate an existing primary key. Replace First, Second and ThirdPrimaryKey with the three other keys besides UNIT_CATEGORY.
Mary
The query didn't return anything. I know that the information I'm trying to update it to is unique, the only reason the "2A20" is in there in the first place is because of a typo.
The update looks fine. However you will have to check for data validity. Try running the following query ...
-
SELECT H1.UNIT_CATEGORY, H2.UNIT_CATEGORY
-
FROM HMEPRODUSER_AVG_ET_STATS As H1 INNER JOIN
-
HMEPRODUSER_AVG_ET_STATS As H2
-
ON H1.FirstPrimaryKey = H2.FirstPrimaryKey
-
AND H1.SecondPrimaryKey = H2.SecondPrimaryKey
-
AND H1.ThirdPrimaryKey = H2.ThirdPrimaryKey
-
WHERE H1.COMMUNITY = "428"
-
AND H1.UNIT_CATEGORY = "2A20"
-
AND H2.UNIT_CATEGORY = "3A20"
If I've gotten the logic right it should show you if you are trying to duplicate an existing primary key. Replace First, Second and ThirdPrimaryKey with the three other keys besides UNIT_CATEGORY.
Mary
MMcCarthy 14,534
Recognized Expert Moderator MVP
The query didn't return anything. I know that the information I'm trying to update it to is unique, the only reason the "2A20" is in there in the first place is because of a typo.
All I can think of is the problem is in oracle. Why can't you run this update directly in oracle?
All I can think of is the problem is in oracle. Why can't you run this update directly in oracle?
Well, the most obvious reason is that, aside from setting up odbc linked tables, I don't know oracle. The second reason is that my company has an oracle dba who should be doing this, but never answers his e-mail.
Thanks for your help.
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