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Asked: 2026-05-24T16:16:03+00:00

I guess, normally people would be aiming to make their programme behave like this,

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I guess, normally people would be aiming to make their programme behave like this, but in my case this is completely opposite from what I want.

Somehow, my MySQL database is able to read different accented characters as identical. For instance, shī, shí, shǐ, shì and shi are all the same thing to it. When I search for one, I’ll get the others as well. Proofpic:

smart SQL

This is not what I want, since for me those values are very different. Basically, the query on the pic must return empty rows, because there is no a single entry in that table with shi (without an accent).

My tables type is InnoDB, collation is utf8_general_ci.

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1 Answer

  1. Editorial Team

    Use utf8_bin collation. You don’t have to change collation of entire column, you can just use it on per query basis

    WHERE `pinyin` = 'shi' COLLATE utf8_bin

    You can also experiment with different collations which might work better for you (utf8_bin works on binery level, so even if two unicode characters with different byte codes are the same, it will see them as different).

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