字符集（Character Set）是一组字符符号及编码方式的组合，collation是建立在某一字符集上的字符排序规则。本文汇总了PolarDB-X支持的collation类型。
PolarDB-X支持下表所列的collation类型。关于collation类型的详细信息，请参见Collations。
字符集 | collation |
utf8 | utf8_general_ci |
utf8_bin | |
utf8_unicode_ci | |
utf8mb4 | utf8mb4_general_ci |
utf8mb4_bin | |
utf8mb4_unicode_ci | |
utf16 | utf16_general_ci |
utf16_bin | |
utf16_unicode_ci | |
ascii | ascii_general_ci |
ascii_bin | |
binary | binary |
latin1 | latin1_swedish_ci |
latin1_german1_ci | |
latin1_danish_ci | |
latin1_bin | |
latin1_general_ci | |
latin1_general_cs | |
latin1_spanish_ci | |
gbk | gbk_chinese_ci |
gbk_bin |
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