MySQL
From Wickle Wiki
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Error
Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (utf8_general_ci,IMPLICIT) for operation 'case'
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Solucion
meter al inicio del script de creacion de la bbdd el default charset correcto:
CREATE DATABASE /*!32312 IF NOT EXISTS*/ `bugs` DEFAULT CHARACTER SET latin1;
Analizar tambien :
SHOW VARIABLES LIKE 'character_%';

