<div>
Give this a whirl..
<pre><code id="code-20-39657709-1">SELECT 
   CustomerGroup1 + ', ' + 
   CustomerGroup2 + ', ' + 
   CASE WHEN COALESCE(CustomerGroup3, '') &lt;&gt; '' THEN CustomerGroup3 + ', ' END + 
   CASE WHEN COALESCE(CustomerGroup4, '') &lt;&gt; '' THEN CustomerGroup4 END
FROM YourTable</code></pre>
</div>


Give this a whirl..

SELECT 
   CustomerGroup1 + ', ' + 
   CustomerGroup2 + ', ' + 
   CASE WHEN COALESCE(CustomerGroup3, '') <> '' THEN CustomerGroup3 + ', ' END + 
   CASE WHEN COALESCE(CustomerGroup4, '') <> '' THEN CustomerGroup4 END
FROM YourTable

<div>
Thanks I needed all 4 fields to be checking for null.
</div>


Thanks I needed all 4 fields to be checking for null.

<div>
<div class="content wysiwyg-content">
Hello all,<br />
<br />
If I have 4 fields that are CustomerGroup1, CustomerGroup2, CustomerGroup3, CustomerGroup4. &nbsp; I want to concat one string with a comma separator. &nbsp; How do I do this so I don't have an extra comma at the end if for example 3 and 4 is null.
</div>
</div>


Hello all,

If I have 4 fields that are CustomerGroup1, CustomerGroup2, CustomerGroup3, CustomerGroup4.   I want to concat one string with a comma separator.   How do I do this so I don't have an extra comma at the end if for example 3 and 4 is null.

SQL Server query concat question

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.