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MySQL µÄ×Ö·û¼¯Ö§³Ö(Character Set Support)ÓÐÁ½¸ö·½Ã棺×Ö·û¼¯(Character set)ºÍÅÅÐò·½Ê½(Collation)¡£¶ÔÓÚ×Ö·û¼¯µÄÖ§³Öϸ»¯µ½Ëĸö²ã´Î: ·þÎñÆ÷(server)£¬Êý¾Ý¿â(database)£¬Êý¾Ý±í(table)ºÍÁ¬½Ó£¨connection£©¡£
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mysql> SHOW VARIABLES LIKE 'character_set_%';
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+--------------------------+----------------------------+
| Variable_name | Value |
+--------------------------+----------------------------+
| character_set_client | latin1 |
| character_set_connection | latin1 |
| character_set_database | latin1 |
| character_set_results | latin1 |
| character_set_server | latin1 |
| character_set_system | utf8 |
| character_sets_dir | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
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mysql> SHOW VARIABLES LIKE 'collation_%';
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+----------------------+-------------------+
| Variable_name | Value |
+----------------------+-------------------+
| collation_connection | latin1_swedish_ci |
| collation_database | latin1_swedish_ci |
| collation_server | latin1_swedish_ci |
+----------------------+-------------------+
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SET NAMES ‘utf8′;
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SET character_set_client = utf8;
SET character_set_results = utf8;
SET character_set_connection = utf8;
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