Combine three select queries?

I would like to combine these three sql queries

SELECT homeupload, COUNT(*) F开发者_C百科ROM link GROUP BY homeupload
SELECT mediaType, COUNT(*) FROM link GROUP BY mediaType
SELECT emailSub, COUNT(*) FROM link WHERE emailSub='1' GROUP BY emailSub

Into a single queries. Is this possible?

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Try using UNION

SELECT homeupload, COUNT(*) FROM link GROUP BY homeupload
UNION 
SELECT mediaType, COUNT(*) FROM link GROUP BY mediaType
UNION 
SELECT emailSub, COUNT(*) FROM link WHERE emailSub='1' GROUP BY emailSub

Reference