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MySQLでエラーが発生しました。
SELECT quiz.*,friendinfo.usrid as usrid FROM (quiz LEFT JOIN friendinfo ON quiz.no=friendinfo.no) LEFT JOIN tag ON quiz.quizno=tag.quizno WHERE tagword='���������'
1267: Illegal mix of collations (ujis_japanese_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '='