Erro de contagem de registros: SELECT COUNT(*) FROM conteudo WHERE ( texto like '%mama%' or titulo like '%mama%' or resumo like '%mama%' or texto like '%de%' or titulo like '%de%' or resumo like '%de%' or texto like '%c�ncer%' or titulo like '%c�ncer%' or resumo like '%c�ncer%' ) ORDER BY id DESC. Mysql informa: Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'like'