Question

I have a table with 6 column fields. if there is a duplicate email, then select the newer record based on dates in second column and take all data from that row except column F (6th column) in Column F combine the values in all the records
so for example if there is

These two lines of data should be combined:

[e-mail] 15/12/2012 122 dd34 23ds3 This data
[e-mail] 12/12/2012 123 dd35 232d2 Should be combined

The result should be:

[e-mail] 15/12/2012 122 dd34 23ds3 This data Should be combined

Answer 1

SELECT
  email, date, column_c, column_d, column_e,
  GROUP_CONCAT(column_f SEPARATOR ' ') AS column_f
FROM (
  SELECT *
  FROM tablename
  ORDER BY date
) i
GROUP BY email
  HAVING date = MAX(date)

See it working