T-SQL | SQL-сервер Pivot

Question

Это текущий запрос:

SELECT 
    cod.COM_DESC 
    ,count(emp.OBE_Name) colValue 
    ,'Total'[Desc] 
FROM OBP_EMP_MASTER emp 
LEFT JOIN COMMONCODES cod 
    ON emp.OBE_AGENT_DR = cod.COM_SLNO 
WHERE OBE_AGENT_DR IS NOT NULL 
GROUP BY cod.COM_DESC 

UNION ALL 

SELECT 
    cod1.COM_DESC 
    ,count(rep.OBE_Name) colValue 
    ,'Replaced'[Desc] 
FROM OBP_EMP_REPLACE_HISTORY rep 
LEFT JOIN COMMONCODES cod1 
    ON rep.OBE_AGENT_DR = cod1.COM_SLNO 
WHERE OBE_AGENT_DR IS NOT NULL 
GROUP BY cod1.COM_DESC 

РЕЗУЛЬТАТ

DESIRED РЕЗУЛЬТАТ

Answer 1

Try:

select 
    Agent, 
    max(case when `desc` = 'Total' then ColValue else 0 end) Total, 
    max(case when `desc` = 'Replaced' then ColValue else 0 end) Replaced 
from tbl 
group by Agent 

Demosqlfiddle