sql - Compare one salary with another and add comments column -


i trying compare 1 salary , add comments column display salary higher who.

i used self join compare not know how include comment column explain higher who.

expect shown below:

empid   name     salary comments 1       raj      30000  "raj sal less dev , sunil greater prashant,dilip,anil" 2       prashant 24935  "prashant sal less raj,dev,anil,sunil greather dilip" 3       dev      38572   4       anil     29845   5       sunil    48201   6       dilip    12093

use stuff function within case statement.

select t1.empid, t1.name, t1.salary, case when t1.salary = (select min(t3.salary) yourtable t3)       t1.name + ' has lowest salary.'      when t1.salary = (select max(t3.salary) yourtable t3)      t1.name + ' has highest salary.'      else t1.name +'''s salary less ' + stuff((select ', ' + cast(t2.name varchar(max))      yourtable t2  t1.salary < t2.salary      xml path('')),1,1,'') + ' greater ' + stuff((select ', ' + cast(t2.name varchar(max))      yourtable t2  t1.salary > t2.salary      xml path('')),1,1,'')  + '.'  end comments  yourtable t1 group t1.empid, t1.name, t1.salary

output

empid  name     salary  comments 1      raj      30000   raj's salary less dev, sunil greater prashant, anil, dilip. 2      prashant 24935   prashant's salary less raj, dev, anil, sunil greater dilip. 3      dev      38572   dev's salary less sunil greater raj, prashant, anil, dilip. 4      anil     29845   anil's salary less raj, dev, sunil greater prashant, dilip. 5      sunil    48201   sunil has highest salary. 6      dilip    12093   dilip has lowest salary.

sql fiddle: http://sqlfiddle.com/#!3/2ebca/63/0


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