MySQLUnicode

MySQL8.0ReferenceManual/.../CharacterSets,Collations,Unicode/Unicode...1Theutf8mb4CharacterSet(4-ByteUTF-8UnicodeEncoding).Theutf8mb4 ...,10.9UnicodeSupport·Theircodepointvaluesarebetween0and65535(orU+0000andU+FFFF).·Theycanbeencodedinavariable-lengthencodingusing8,16, ...,10.10.1UnicodeCharacterSets·utf8mb4:AUTF-8encodingoftheUnicodecharactersetusingonetofourbytespercharacter.·utf8mb3:AUTF-8e...

參考資訊如下
10.9.1 The utf8mb4 Character Set (4-Byte UTF

MySQL 8.0 Reference Manual / ... / Character Sets, Collations, Unicode / Unicode ... 1 The utf8mb4 Character Set (4-Byte UTF-8 Unicode Encoding). The utf8mb4 ...

MySQL 8.0 Reference Manual :

10.9 Unicode Support · Their code point values are between 0 and 65535 (or U+0000 and U+FFFF ). · They can be encoded in a variable-length encoding using 8, 16, ...

10.10.1 Unicode Character Sets

10.10.1 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 ...

1.10.1 Unicode Character Sets

1.10.1 Unicode Character Sets. This section describes the collations available for Unicode character sets and their differentiating properties. For general ...

MySQL Globalization :

1.9 Unicode Support · Their code point values are between 0 and 65535 (or U+0000 and U+FFFF ). · Their code point values are between U+10000 and U+10FFFF ).

MySQL Globalization :

MySQL provides collations for both major varieties of Norwegian: for Bokmål, you can use utf8mb4_nb_0900_ai_ci and utf8mb4_nb_0900_as_cs ; for Nynorsk, MySQL ...

一次搞懂MySQL utf8與utf8mb4的差別，general與unicode ...

2021年7月22日 — 一般情況下，使用MySQL的utf8就夠用了，但隨著網路資訊的快速進步，需求越來越多元，有些特殊漢字或是常用的emoji(一種特殊的Unicode編碼，在ios跟安卓 ...

MySQL 編碼挑選與差異比較｜utf8_bin vs. ...

2019年6月30日 — 一般會建議用unicode，不要用general 的版本。 general 版本（例如utf8mb4_general_ci），在排序時比較快，但在某些特殊情況會排錯。 unicode ...

How to store unicode in MySQL?

2010年7月25日 — You need to choose a utf8_* character set for your table. Text and memo fields will then automatically be stored in UTF-8.

一次搞懂MySQL utf8與utf8mb4的差別，general與unicode到底 ...

2021年7月23日 — 資料庫教學MySQL utf8與utf8mb4的差別，general與unicode如何使用，網站資料庫utf8編碼多一個utf8mb4，utf8mb3在MySQL裡只能支援3個位元，utf8轉換 ...