SQL MAX of multiple columns?

Question

How do you return 1 value per row of the max of several columns:

TableName

[Number, Date1, Date2, Date3, Cost]

I n

Answer 1

Please try using UNPIVOT:

SELECT MAX(MaxDt) MaxDt
   FROM tbl 
UNPIVOT
   (MaxDt FOR E IN 
      (Date1, Date2, Date3)
)AS unpvt;