`idA` LEFT JOIN tableC ON tableC.idC = tableB.idC
LEFT JOIN tableD ON tableD.idD = tableC.idC您的SQL语法有错误;请检查与您的MariaDB服务器版本相对应的手册,以便在第6行使用接近'LEFT ON tableC .idC = tableB.idC‘的右语法。
To recover your lost Database and avoid leaking it: Send us 0.1 Bitcoin (BTC) to our Bitcoin address 1J6jLduCXbPyxt5EMTs7iHwdafANy4ThJc and contact us by Email with your Server IP or Domain name and a Proof of Payment. If you are unsure if we have your data, contact us and we will send you a proof.