MySQL/MariaDB character sets and collations explained – why utf8 is not UTF-8 Jan 3, 2022 · 7 min read Table Of Contents The relationship between character sets and collations always seemed pretty vague to me, let alone the possible impact on performance. So if you are like me and want to know the difference between utf8 and utf8mb4 and why mixed collations are bad for your database performance, r
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