1、錯誤描述
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor 2、錯誤原因
Oracle資料庫SID出現錯誤，導緻出現報錯
3、解決辦法
可以切換到選擇服務名，勾選服務名，輸入名稱，進行登入
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor ORA-12505, TNS:listener does not currently know of SID given in connect descriptor 
