數據庫報錯ORA-12514

$ lsnrctl start 報錯提示: The listener supports no services 這樣啓動後遠程鏈接會報錯： oracle ORA-12514:TNS:listener does not currently know of service requested in connect descriptor 問題緣由：數據庫實例沒註冊到listenersql 解決方法一：

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