mysql return unique rows

I have a table columns
name, city, pledgetype(2 choices), and a few others

Is there a way to pick unique where
name and city is the same but pledge is different? ( so i would have each person either show up once or twice)

Even better, would there be a way to put only 1 name and city unique and in the pledge field put all the different pledges from different rows from that person.
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Phil PhillipsDevOps ArchitectCommented:
Do you mean something like:

select name, city, pledgetype from table_name group by name, city, pledgetype;

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PortletPaulEE Topic AdvisorCommented:
Words are just inadequate to describe data arrangements.

a small sample of the raw data, then an "expected result" really help

This MIGHT be what you want.

	, city
	, MAX(CASE WHEN pledgetype = 1 THEN pledgetype END) AS pledgetype1
	, MAX(CASE WHEN pledgetype = 2 THEN pledgetype END) AS pledgetype2
FROM your_table
	, city

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Tomas Helgi JohannssonCommented:

You could do this also with GROUP_CONCAT like this

select name, city, GROUP_CONCAT(pledgetype) as pledgetype 
from table_name 
group by name, city

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See here for more info

     Tomas Helgi
rivkamakAuthor Commented:
Thank you
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MySQL Server

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