zoukankan      html  css  js  c++  java
  • MySQL字符存储:charset-unicode-sets

    https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-sets.html

    10.10.1 Unicode Character Sets

    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.

    • utf8: An alias for utf8mb3.

    • ucs2: The UCS-2 encoding of the Unicode character set using two bytes per character.

    • utf16: The UTF-16 encoding for the Unicode character set using two or four bytes per character. Like ucs2 but with an extension for supplementary characters.

    • utf16le: The UTF-16LE encoding for the Unicode character set. Like utf16 but little-endian rather than big-endian.

    • utf32: The UTF-32 encoding for the Unicode character set using four bytes per character.

    Note

    The utf8mb3 character set is deprecated and will be removed in a future MySQL release. Please use utf8mb4 instead. Although utf8 is currently an alias for utf8mb3, at that point utf8 will become a reference to utf8mb4. To avoid ambiguity about the meaning of utf8, consider specifying utf8mb4 explicitly for character set references instead of utf8.

  • 相关阅读:
    DockerFile构建镜像
    docker基本命令
    docker持久化
    JS 中 this 指向问题
    解决"/usr/local/bin/dockercompose: Permission denied"问题
    docker配置国内镜像
    docker网络
    国内常用镜像地址
    Visual Studio中快捷键收缩和展开代码段方法
    STM32中关于RCC时钟的理解
  • 原文地址:https://www.cnblogs.com/DataArt/p/10010886.html
Copyright © 2011-2022 走看看