SET NAMES
语法
SET NAMES {'charset_name' [COLLATE 'collation_name'] | DEFAULT}
描述
这会设置character_set_client
、character_set_connection
和character_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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