troubleshooting Question

Extract data from a field that looks like XML but the data type is actually nvarchar

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Classic1Flag for Canada asked on
Microsoft SQL ServerSQL
6 Comments3 Solutions184 ViewsLast Modified:
Hi there,
We're currently upgrading/migrating a DB where data is polled every hour. The old DB had individual columns (ie. DateTime, Pressure, Temp, etc.), however, for the new one, we found out they captured everything in one column, and formatted as XML.

I tried using SELECT col.value('(/Data/Fields[Name="XXX"]/Value)[1]', 'int'), however after digging around the FieldData column is actually nvarchar, so that didn't work.

I'm trying to figure out how to extract parts of the data within the FieldData column (see highlighted).

Any questions or further info, please let me know...

Much appreciated,
Barry Cunney

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