Unicode Support In Mysql

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MySQL :: MySQL 5.5 Reference Manual :: 10.9 Unicode Support

    https://dev.mysql.com/doc/refman/5.5/en/charset-unicode.html
    MySQL supports these Unicode character sets: utf8mb4: A UTF-8 encoding of the Unicode character set using one to four bytes per character. utf8mb3: A UTF-8 encoding of the Unicode character set using one to three bytes per character. utf8: An alias for utf8mb3 . ucs2: The UCS-2 encoding of the ...

How to support full Unicode in MySQL databases · Mathias ...

    https://mathiasbynens.be/notes/mysql-utf8mb4
    In fact, MySQL’s utf8 only allows you to store 5.88% ((0x00FFFF + 1) / (0x10FFFF + 1)) of all possible Unicode code points. Proper UTF-8 can encode 100% of all Unicode code points. Proper UTF-8 can encode 100% of all Unicode code points.

Configuring MySQL for full Unicode support

    https://community.denodo.com/kb/view/document/Configuring%20MySQL%20for%20full%20Unicode%20support
    Mar 20, 2018 · In its version 1.0 Unicode was limited to 65,536 code points in the range from U+0000 to U+FFFF called BMP (Basic Multilingual Plane). MySQL’s utf8 charset only implements proper UTF-8 encoding partially. It has support for the BMP characters only as i t can only store a maximum of three bytes per multibyte character.

Better Unicode support for MySQL (including emoji) – Tony ...

    http://tonyshowoff.com/articles/better-unicode-support-for-mysql-including-emoji/
    This issue is caused by the fact UTF-8 in MySQL isn't fully supported by utf8 the character set, it only supports a maximum of 3-byte characters. If you want something more realistic you're going to need to have at least MySQL 5.5.3 and you're going to have to use utf8mb4 not regular utf8. Yes, seriously.

MySQL full unicode support - MoodleDocs

    https://docs.moodle.org/en/MySQL_full_unicode_support
    UTF-8 is a character encoding that most websites use. It encodes each of the 1,112,064 valid code points. To store all of this information, four bytes is required. The most popular values are in the three byte region. MySQL by default only uses a three byte encoding and so values in the four byte range (eg.

MySQL and Unicode: Three Gotchas - HubSpot

    https://product.hubspot.com/bid/7049/MySQL-and-Unicode-Three-Gotchas
    Jul 02, 2009 · Unicode support in MySQL is a pain — I lost a few hours to it today, and it won't be the last time. So here are the three MySQL unicode gotchas that took over my day. They're all based on this simple table: CREATE TABLE utfail8 ( str VARCHAR(250) KEY.

MySQL :: MySQL 5.7 Reference Manual :: 10.10.1 Unicode ...

    https://dev.mysql.com/doc/refman/5.7/en/charset-unicode-sets.html
    MySQL supports multiple Unicode character sets: utf8mb4 : A UTF-8 encoding of the Unicode character set using one to four bytes per character. utf8mb3 : A UTF-8 encoding of the Unicode character set using one to three bytes per character.



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