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ÉèÖ÷½·¨£º½¨Á¢¿âʱ£ºCREATE DATABASE db_name DEFAULT CHARACTER SET latin1 COLLATE latin1_swedish_ci;
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½¨±í£ºCREATE TABLE tbl_name (column_list)  [DEFAULT CHARACTER SET charset_name [COLLATE collation_name]]
¸Ä±í£ºALTER TABLE tbl_name  [DEFAULT CHARACTER SET charset_name] [COLLATE collation_name]
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