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