Converting multiple rows to columns with specified heading

Question

I have a table that holds details of activities carried out by individuals - contents of this table is similar to the following:

| Person    | Category  | Activit         


        

Answer 1

this is a simple example

 SELECT 
       Person,  
       MAX(CASE Category WHEN 'X' THEN Activity ELSE 0 END) AS 'X'
       MAX(CASE Category WHEN 'Y' THEN Activity ELSE 0 END) AS 'Y'
       MAX(CASE Category WHEN 'Z' THEN Activity ELSE 0 END) AS 'Z' 
    FROM mytable
    GROUP BY Person