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POSQL Query Substring Query
 

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    <p>I have a database column in a SQL Server 2008 database that contains VARCHAR data composed of four elements separated by an underscore; for example:</p> <blockquote> <p>01_1234_ABC_TESTFOO<br> 02_2234_YES_FOO<br> 03_77653234_NO_BAR<br> 04_10922234_BLUE_TESTBAR<br> 05_8372_SKY_FOOBAR </p> </blockquote> <p>I need a query to return the first three elements for each row as separate columns. I have managed to separate out the first two elements with the following code:</p> <pre><code>SELECT DISTINCT SUBSTRING(BarType, 1, CHARINDEX('_', BarType) - 1) as element1, SUBSTRING(BarType,CHARINDEX('_',BarType)+1, CHARINDEX('_', SUBSTRING(BarType,CHARINDEX('_',BarType)+1,LEN(BarType)))-1) as element2 FROM dbo.TestDataFoo </code></pre> <p>This returns:</p> <pre><code> element1 element2 01 1234 02 2234 03 77653234 04 10922234 05 8372 </code></pre> <p>Could someone help me to get the third element of the data please? I'd also be interested to learn of any alternate methods for dealing with this.</p> <p>See below for code to generate test data.</p> <pre><code>CREATE TABLE TestDataFoo ( id int PRIMARY KEY IDENTITY, DateFoo datetime NOT NULL, BarType varchar(50) NOT NULL) INSERT INTO TestDataFoo (DateFoo, BarType) VALUES(GetDate(), '01_1234_ABC_TESTFOO') INSERT INTO TestDataFoo (DateFoo, BarType) VALUES(GetDate(), '02_2234_YES_FOO') INSERT INTO TestDataFoo (DateFoo, BarType) VALUES(GetDate(), '03_77653234_NO_BAR') INSERT INTO TestDataFoo (DateFoo, BarType) VALUES(GetDate(), '04_10922234_BLUE_TESTBAR') INSERT INTO TestDataFoo (DateFoo, BarType) VALUES(GetDate(), '05_8372_SKY_FOOBAR') </code></pre> <p>Thanks</p> <p>Nimi</p> <p>Edit: Ideally, I'd like to achieve this without using a function but any solutions welcome!</p>
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