SQL Enterprise manager connected to SQLExpress - Conversion failed when converting a char to a uniqueidentifier

Posted on 2011-02-27
Last Modified: 2012-05-11
I registered a SQLExpress DB in SQL 2008 Enterprise manager.
When I run some of the views I get
Any ideas... The App that uses SQLExpress works fine.
How can I query the views/tables?
Question by:JElster
LVL 15

Expert Comment

ID: 34993815
Can you give a little more detail? Like what the data is, the view or query, etc?
LVL 12

Accepted Solution

pastorchris earned 500 total points
ID: 34994514
It's possible you are getting this error by querying a view, not a table and either the view was not written well and so it's giving you data-type conflicts or it was written well but the data-type of one of the fields in the parent table which the view queries was changed from one type to another.

So it's possible that the view expects character (CHAR, VARCHAR or NVACHAR) data which it converts to data-type uniqueidentifier before displaying it.

To resolve this, run sp_helptext 'schema.view_name' on the view and see which tables it queries then correct the view's text so that it can query the parent tables without any problem.

Once the problem is fixed, you may alter the view to reflect the new one.
Be sure to perform sufficient testing using the data available. Also keep the old and new view syscomments somewhere in a file so that you can roll back to the original view format whenever you want.

Use the snippet attached to see the listing of the different tables and views in your database.

SELECT TABLE_NAME As [Object Name], TABLE_TYPE as [Object Type], TABLE_SCHEMA as [Schema], 
		TABLE_CATALOG As [Database]
FROM information_schema.tables where table_type in ('VIEW', 'BASE TABLE')
order by TABLE_NAME asc

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Author Comment

ID: 34996568
The view is based on a UDF... It's selecting from a UDF.  which I can't open in Enterprise manager.

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