I need help parsing a column in SQL Server 2012

Hi Experts,
I have a question regarding the parsing of a column in my Employee table.  The NAME column stores the data as follows:
DOE, JON Y

I want to parse the data so that it puts the data in 3 separate columns:
LastName      FirstName      MiddleInitial
DOE            JON            Y


How can I do this?  What syntax do I use?


Thanks in advance,
mrotor
mainrotorAsked:
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lcohanDatabase AnalystCommented:
select
      left('DOE, JON Y', charindex(',','DOE, JON Y')-1) as FirstName,
      --LastName
      SUBSTRING(
      --select
            SUBSTRING('DOE, JON Y',
            CHARINDEX(', ','DOE, JON Y')+2,
            len('DOE, JON Y') - CHARINDEX(', ','DOE, JON Y')+2)
            ,1,
      --select                              
            LEN (
            SUBSTRING('DOE, JON Y',
            CHARINDEX(', ','DOE, JON Y')+2,
            len('DOE, JON Y') - CHARINDEX(', ','DOE, JON Y')+2)
                  )-2
            ) as LastName,
      --Initial
      SUBSTRING(
      --select
            SUBSTRING('DOE, JON Y',
            CHARINDEX(', ','DOE, JON Y')+2,
            len('DOE, JON Y') - CHARINDEX(', ','DOE, JON Y')+2)
            ,CHARINDEX (' ',SUBSTRING('DOE, JON Y',
                                    CHARINDEX(', ','DOE, JON Y')+2,
                                    len('DOE, JON Y') - CHARINDEX(', ','DOE, JON Y')+2
                              ))+1            
            ,1) as Initial            
--all you need now is to replace in the above 'DOE, JON Y' with the table column where the data is and add a FROM to the above statement.
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rshqCommented:
Hi
 Please test this code
SELECT        SUBSTRING([NAME], 1, CHARINDEX(',', [NAME]) - 1) AS LastName , SUBSTRING([NAME], CHARINDEX(',', [NAME]) + 1, CHARINDEX(' ', [NAME]) 
                         - CHARINDEX(',',[NAME])) AS FirstName , SUBSTRING([NAME]', CHARINDEX(' ', [NAME]) + 1, LEN([NAME]) - CHARINDEX(' ', [NAME])) AS MiddleInitial

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JimFiveCommented:
Don't forget to consider names without middle initials, names with middle names instead of initials, names with suffixes:  DOE JR., JON Y    or DOE, JON Y JR.
Names with multiple middle initials.  Etc.

There is not a good and happy universal solution to this problem.
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David ToddSenior DBACommented:
Hi,

From a long and distant past I have a copy of PC Techniques that did all this in C.

It did almost everything but went the other way. ie
william gates iii

to
Gates, William III

The only ones it didn't capitalize correctly were MacD ...

Regards
  David
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