ORA-12514
ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
ORA-12514: 监听程序当前无法识别连接描述符中的服务
an solution
You are capable of more than you know.
Choose a goal that seems right for you and strive to be the best,
however hard the path.Aim high.Behave honorably.
Prepare to be alone at time,
and to endure failure.Above all else,
persist!
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