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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | [gislist] Querying Relationship Classes |
| Date: |
03/15/2005 07:30:02 AM |
| From: |
Matt and Sharon Syvertson |
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Hello. I need a little help from all of you knowledgeable folks out there.
I am a student with a great deal of practice and experience, but I am really
stumped by my latest challenge. I am working on a project where I need to
do some queries based on a one-to-many relationship. I am using ArcInfo 9.0
and I have created the relationship class. This part seems to work great
because I can use the identify tool and select any point and it will show me
the data from the related table, even when related to multiple objects in
the table.
What I want to do is a select by attribute, selecting the points in the
original feature based on the attributes of the related table. For example:
Let's say the original file has a feature set containing poles. The related
table has the widgets that are mounted on the poles. I want to select all
poles with "xyz" widget installed.
I have enclosed a hyperlinks to couple screen shots. The first is a screen
shot of the relationship class I created. The second is a screen shot to
show that the relationship is present, because I was able to use identify
tool to see related data.
Screenshot1 <http://home.gci.net/~syvertson/Temp_Pics/Screenshot1.png>
Screenshot2 <http://home.gci.net/~syvertson/Temp_Pics/Screenshot2.png>
In screenshot2, the pole is 1359, the widget would be 013-IB.
Thanks in advance for your assistance.
Matt Syvertson
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