Update all the rows with first row value

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SQL-Server-2014

eid    empname    eaddress
----   --------   ---------
1      venu       hyd
2      ravi       mad
3      kiran      ban
4      raju       hyd

If firstrow in empname column is venu then it has to change all the empname columns values to 'venu' like below table

eid    empname    eaddress
----   --------   ---------
1      venu       hyd
2      venu       mad
3      venu       ban
4      venu       hyd

If firstrow in empname column is NULL then it has to take the 2nd row value and change all empname columns values to 2nd row value i.e 'ravi' like below table

eid    empname    eaddress
----   --------   ---------
1      null       hyd
2      ravi       mad
3      kiran      ban
4      raju       hyd

EXAMPLE

eid    empname    eaddress
----   --------   ---------
1      ravi       hyd
2      ravi       mad
3      ravi       ban
4      ravi       hyd

What I have tried:

I tried with SQL Server update with case statements queries but i didn't get.Can anyone help me with this.

Posted 22-Jan-19 22:21pm

Member 13932549

Updated 22-Jan-19 22:39pm

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CHill60 23-Jan-19 4:38am

Post the code that you tried that didn't work and we will try to help you fix it

1 solution

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OriginalGriff · Accepted Answer · 2019-01-22T22:39:00

Solution 1

That sounds like an odd thing to do, but...

SQL

UPDATE MyTable SET empname = 
   (SELECT TOP 1 empname 
    FROM MyTable
    WHERE empname IS NOT NULL
    ORDER BY eid ASC)

Posted 22-Jan-19 22:39pm

OriginalGriff

Comments

Member 13932549 23-Jan-19 4:59am

Thank you so much OriginalGriff .

OriginalGriff 23-Jan-19 6:14am

You're welcome!