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