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to create the computed column try this<br />
<br />
ALTER TABLE yourtablename ADD <br />
C AS convert(varchar, ColA) + '_' + convert(varchar, ColB)
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to create the computed column try this

ALTER TABLE yourtablename ADD
C AS convert(varchar, ColA) + '_' + convert(varchar, ColB)

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I have a table with 2 int columns.<br />
<br />
I want to create a third column that combines the two, but uses a _ or something as a seperator.<br />
Would like to use the formula section in the computed column specification area<br />
<br />
A &nbsp; &nbsp; &nbsp; &nbsp;B &nbsp; &nbsp; &nbsp; &nbsp; Needed Column<br />
400 &nbsp; &nbsp; 500 &nbsp; &nbsp; 400_500<br />
401 &nbsp; &nbsp; 501 &nbsp; &nbsp; 401_501
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I have a table with 2 int columns.

I want to create a third column that combines the two, but uses a _ or something as a seperator.
Would like to use the formula section in the computed column specification area

A        B         Needed Column
400     500     400_500
401     501     401_501

SQL table combine two numbers with a _ seperator.  i.e. 600_400

Microsoft SQL Server 2005 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. It includes support for managing XML data and allows a database server to be exposed over web services using Tabular Data Stream (TDS) packets encapsulated within SOAP (protocol) requests.