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