I have mysql table with charset: utf8_czech_ci. And I have column 'name' with unique key. If I insert value 'zelená' and 'zelena', a I get error Integrity constraint violation: 1062 Duplicate entry How can i repair it?
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What is the character sets and collation of the column? – Mike Brant Oct 18 '16 at 14:38
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Possible duplicate of [UTF-8 all the way through](http://stackoverflow.com/questions/279170/utf-8-all-the-way-through) – RiggsFolly Oct 18 '16 at 14:41
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collaction of column is too utf8_czech_ci and sets is any char (with accents too) – Petr Oct 18 '16 at 15:08