SET NAMES

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语法

SET NAMES {'charset_name'
    [COLLATE 'collation_name'] | DEFAULT}

描述

这会设置character_set_clientcharacter_set_connectioncharacter_set_results,同时还会隐式地设置会话级的系统变量collation_connection为指定的字符集和排序规则。

这决定了client将语句发送给server端以及server端将语句执行结果返回给client端时使用的character set

COLLATE子句是可选的,如果不定义(或设置为DEFAULT),将使用字符集的默认排序规则default collation for the character set

See also

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