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    <p>see <a href="https://stackoverflow.com/questions/1456192/comparing-a-column-to-a-list-of-values-in-t-sql/1456404#1456404">my previous answer to this</a></p> <p>this is the best source:</p> <p><a href="http://www.sommarskog.se/arrays-in-sql.html" rel="nofollow noreferrer">http://www.sommarskog.se/arrays-in-sql.html</a></p> <p>create a split function, and use it like:</p> <pre><code>SELECT * FROM YourTable y INNER JOIN dbo.splitFunction(@Parameter) s ON y.ID=s.Value </code></pre> <p><a href="http://www.sommarskog.se/arrays-in-sql-2005.html#tblnum" rel="nofollow noreferrer">I prefer the number table approach</a></p> <p>For this method to work, you need to do this one time table setup:</p> <pre><code>SELECT TOP 10000 IDENTITY(int,1,1) AS Number INTO Numbers FROM sys.objects s1 CROSS JOIN sys.objects s2 ALTER TABLE Numbers ADD CONSTRAINT PK_Numbers PRIMARY KEY CLUSTERED (Number) </code></pre> <p>Once the Numbers table is set up, create this function:</p> <pre><code>CREATE FUNCTION [dbo].[FN_ListToTable] ( @SplitOn char(1) --REQUIRED, the character to split the @List string on ,@List varchar(8000)--REQUIRED, the list to split apart ) RETURNS TABLE AS RETURN ( ---------------- --SINGLE QUERY-- --this will not return empty rows ---------------- SELECT ListValue FROM (SELECT LTRIM(RTRIM(SUBSTRING(List2, number+1, CHARINDEX(@SplitOn, List2, number+1)-number - 1))) AS ListValue FROM ( SELECT @SplitOn + @List + @SplitOn AS List2 ) AS dt INNER JOIN Numbers n ON n.Number &lt; LEN(dt.List2) WHERE SUBSTRING(List2, number, 1) = @SplitOn ) dt2 WHERE ListValue IS NOT NULL AND ListValue!='' ); GO </code></pre> <p>You can now easily split a CSV string into a table and join on it:</p> <pre><code>select * from dbo.FN_ListToTable(',','1,2,3,,,4,5,6777,,,') </code></pre> <p>OUTPUT:</p> <pre><code>ListValue ----------------------- 1 2 3 4 5 6777 (6 row(s) affected) </code></pre> <p>To make what you need work, use CROSS APPLY:</p> <pre><code>DECLARE @tbl_A table (RowID int, RowValue varchar(500)) DECLARE @tbl_b table (RowID int identity, RowValue varchar(500)) INSERT INTO @tbl_A VALUES (1, 'Java, ASP.Net, C#') INSERT INTO @tbl_A VALUES (2, 'Java') INSERT INTO @tbl_A VALUES (3, 'Java, C#') INSERT INTO @tbl_A VALUES (4, 'html') INSERT INTO @tbl_b (RowValue) SELECT DISTINCT st.ListValue FROM @tbl_A CROSS APPLY dbo.FN_ListToTable(',',RowValue) AS st ORDER BY st.ListValue SELECT * FROM @tbl_b ORDER BY RowID </code></pre> <p>OUTPUT:</p> <pre><code>RowID RowValue ----------- -------------- 1 ASP.Net 2 C# 3 html 4 Java (4 row(s) affected) </code></pre>
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    1. COThank you very much. You give me a perfect solution.
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