ORA-12505, TNS:listener does not currently know of SID given in connect descriptor

一、錯誤描述數據庫 執行請求的操做時遇到錯誤: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor 供應商代碼 12505 二、錯誤緣由code       Or

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