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