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Tip of the Day
Language: SQL Server
Expertise: Beginner
Mar 24, 1997

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Combining Columns of Different Types

Question:
I am doing a select from a table where I want to combine two fields. Specifically, I have the StreetNumber and the StreetName stored separately. I would like to be able to display the StreetNumber (INT) and the StreetName (CHAR) together in one field. This display would be read only. Is there a way to concatenate the two fields into one?

Answer:
You can convert the integer to characters using either the CAST function or other data type conversion function supported by your database. Then use the concatenation operator as follows:

SELECT ConvertedStreetNumber||' '||StreetName from TABLE...
The double bars perform the actual concatenation.
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