ORA-12514：TNS:listener does not currently know of service requested in connect descriptor

用Navicat连接Oracle数据库时候，报了ORA-12514：TNS:listener does not currently know of service requested in connect descriptor   sqldeveloper 连接是正常的。 select INSTANCE_NAME from v$instance 这个命令可以查询到sid。 结果是因为我的服务名不是

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