OK, it's very close I think. I created a Fiddle that more closely represents
what I need with an added table.
http://sqlfiddle.com/#!15/5d76f/6
It's showing a few too many records and GROUP BY doesn't seem to help.
Instead of 10, it should show these 6.
product_code date_signed description category
1 February, 01 2017 00:00:00 i have a green truck vehicle
1 February, 01 2017 00:00:00 i have a RED car color
2 February, 01 2017 00:00:00 i have a blue boat vehicle
2 February, 01 2017 00:00:00 i have a blue rug vehicle
3 February, 01 2017 00:00:00 i have a dark cat (null)
3 February, 01 2017 00:00:00 i have a dark dog (null)
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