Lỗi:You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-avata
				WHERE url='1767614775-6210-hà thị thanh hằng- cv qa, qc, lab....' at line 2 - 
				SELECT *
				FROM img-avata
				WHERE url='1767614775-6210-hà thị thanh hằng- cv qa, qc, lab.pdf'