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PO
 

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    <p>This works for your examples, just don't know if it's faster than your solution.</p> <p>The code should be pretty self explanatory and easy to change</p> <pre><code>DECLARE @str1 VARCHAR(max) DECLARE @str2 VARCHAR(max) SELECT @str1 = 'Patel; Raj' SELECT @str2 = 'Patel' DECLARE @x1 XML DECLARE @x2 XML SELECT @x1 = CAST('&lt;i&gt;' + REPLACE(@str1, ',', '&lt;/i&gt;&lt;i&gt;') + '&lt;/i&gt;' AS XML) SELECT @x2 = CAST('&lt;i&gt;' + REPLACE(@str2, ',', '&lt;/i&gt;&lt;i&gt;') + '&lt;/i&gt;' AS XML) SELECT COUNT(*) FROM ( SELECT p.number as Position, LTRIM(RTRIM(x.value('.','VARCHAR(50)'))) AS Name FROM master..spt_values p cross APPLY @x1.nodes('/i[position()=sql:column("number")]') n(x) where p.type = 'p' ) Names1 INNER JOIN ( SELECT p.number as Position, LTRIM(RTRIM(x.value('.','VARCHAR(50)'))) AS Name FROM master..spt_values p cross APPLY @x2.nodes('/i[position()=sql:column("number")]') n(x) where p.type = 'p' ) Names2 ON Names1.Name = Names2.Name OR (LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),1))) = LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),1))) AND LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),2))) = LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),2))) ) OR (LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),2))) = LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),2))) AND LEFT(LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),1))),1) = LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),1))) ) OR (LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),2))) = LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),2))) AND LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),1))) = LEFT(LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),1))),1) ) OR Names1.Name = LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),2))) OR Names2.Name = LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),2))) </code></pre>
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    1. POSQL match function written by me taking too much time. Optimization required
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    1. USJoao Leal
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    1. COThis looks good but why doesn't it work on a table? I created a SQL function out of this logic and when I run over my table I get "Msg 9421, Level 16, State 1, Line 1 XML parsing: line 1, character 48, illegal name character". Any idea why?
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    2. COIt should work on a table, but it's probably receiving unexpected data. If you can identify what are the parameters that are causing that let me know.
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    3. COI found when it throws error. Your function doesn't work when I pass in data as Select dbo.MatchSO('Freye; Allen E.','Christensen, O''Connor, Johnson & Kindness'). I get error XML parsing: line 1, character 48, illegal name character. Can you please tell why this is happening?
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