| Manual table join error [message #332743] |
Wed, 09 July 2008 09:48  |
mbellamy
Messages: 4
Registered: July 2008
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Junior Member |
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Hello,
I am a very new user of Oracle. I have figured out how to upload csv tables and do a manual join. However, when I tried to execute a second join, I get this error:
"column length cannot be null"
There are no column lengths less than 1 and no blank ones. I read the help documentation on manual joins but all it says is "follow the directions on the screen" so it hasn't been much help.
Thanks in advance for any and all responses,
- Megan
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| Re: Manual table join error [message #332752 is a reply to message #332743] |
Wed, 09 July 2008 10:21  |
JRowbottom
Messages: 5933
Registered: June 2006
Location: Sunny North Yorkshire, ho...
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Senior Member |
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The phrase 'follow the directions on the screen' leads me to believe that you are using some sort of GUI query builder.
So, in addition to not knowing the tables you're using, or the query that you'r having problems with, we also don't know the tool that you're using to build the query.
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