Mysql参考手册

23.1.9. INFORMATION_SCHEMA CHARACTER_SETS表

CHARACTER_SETS（字符集）表提供了关于可用字符集的信息。

标准名称

SHOW名称

注释

CHARACTER_SET_NAME

Charset

 

DEFAULT_COLLATE_NAME

Default collation

 

DESCRIPION

Description

MySQL扩展

MAXLEN

Maxlen

MySQL扩展

注释：

·         我们增加了两个非标准列，分别对应于SHOW CHARACTER SET输出的Description（描述）和Maxlen（最大长度）列。

下述语句是等效的：

SELECT * FROM INFORMATION_SCHEMA.CHARACTER_SETS
  [WHERE name LIKE 'wild']
 
SHOW CHARACTER SET
  [LIKE 'wild']
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