When is ö not equal to ö? Your web page the wrong characters coming ukrainian dating tips where accented letters should be.

You are upgrading from MySQL 4. 0, where characters were simply bytes. You upgraded, and now you are getting garbage. Please read most of this document.

But you really need to understand a lot of the pieces in it, in order to solve your problem. The tips in this document apply to MySQL, MariaDB, and Percona. Version differences are called out where relevant. You must understand this before continuing. A “character” is composed of one or more bytes, and represents what we think of when reading. A byte can represent only 256 different values.

There are over 11,000 Korean characters and over 40,000 Chinese characters — no way to squeeze such a character into a single byte. GROUP BY and FOREIGN KEY CONSTRAINTS can also involve collation. And it even can involve deciding whether two different bit strings compare ‘equal’. If that acute-e shows up as A-tilde and Copyright, then there may be an issue with the browser.

1970’s — 7-bit ASCII becomes common — that limits you to English. 1980’s — Beginning to see 8-bit encodings. Especially since 7-bit ASCII was wasting a bit of the omni-present “byte”. This can handle Western European accented letters. 1990’s — The computer world realizes that there are other people in the world and embarks on Unicode and UTF8. Meanwhile, MySQL is born, but has enough problems without worrying about character sets. 0, a CHAR is just a byte.