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arcMap:  DBA number field types show 0

Posted on 2015-01-15
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Last Modified: 2015-01-16
Hello Experts,

I am a new ArcMap and have a formatting issue.  I am using ArcMap 10 and Oracle 10g.  Here is my issue:

My table "Hub_Tickets" in oracle has a field called "Impact_Score" that is a number format. When I add this table to a ArcMap session, I go to "Open" and find the field and it shows that it's a "Long" character.  Here is the issue, when I review the records it shows 0, and not the real values "1 through 5,000,000".  This isn't the only field it does this to. It only changes number format field values.

I tried changing the format in Oracle to text and it works, the numbers are displayed but that are text so I can't use the symbology to make ranges for color changes.

I also tried in the Catalog -->table properties --> Fields tab, and change the data type.  I get error of Unable to alter the field's type  ORA-00942: Table or view does not exist.

Any idea what I should do?

**UPDATE**  I did have come across another table that has values showing that are long types.  The difference I see is that the "precision" has a number 10. Where as my field doesn't have that precision listed.  Any ideas?


Update 2

I had to format the field like this.  Any reason why?  I have many other fields and it seems that it would be a lot of time to do so.  Using views.. too
CAST(MHI.IMPACT_SCORE AS NUMBER(10)
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Question by:Maliki Hassani
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johnsone earned 2000 total points
ID: 40553219
My guess, and this is a guess because I don't know arcMap, is that is it an issue with/limitation of arcMap.

Oracle can handle numbers with precision up to 38 significant digits.  Not many pieces of software can do that.

I know that if you pull Oracle data into Microsoft Access, you cannot go above 15 significant digits, if you do, Access cannot handle it and you get strange invalid information.

The problem becomes if you actually have a number with more than 10 significant digits.  What do you do then?  That is a question for arcMap.

Unfortunately, you are most likely going to have to create views or modify your tables to conform to the arcMap limitations.
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Author Closing Comment

by:Maliki Hassani
ID: 40553538
Thank you!
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