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

今天用Navicat Premium 連接 Oracle時報錯了 報錯信息：ORA-12514: TNS:listener does not currently know of service requested in connect descriptor 意思是偵聽器目前不識別在連接描述符中請求的服務 修改 listrner.ora 和 tnsnames.ora 兩個文件內容也不行，最後將連接表

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