Sqlserver
 sql >> Database >  >> RDS >> Sqlserver

Elimina la riga con valore nullo utilizzando CTE

Prova questo codice

Select 
    ID,
    dense_rank() over(order by substring(data,2,len(data))*1) as rowid,
    position,
    data 
from 
    @t 
where 
    data is not null
group by 
    ID,RowID,position,data