问题描述

ORA_12514:TNS:listener does not currently know of service requested in connect descriptor

解决方式 1

右键点击我的电脑-》管理——》服务和应用程序（左侧列表）——》双击右侧服务——》重启“OracleJobScheduler[oracle_sid]

解决方式 2

https://www.cnblogs.com/edhg/p/6658814.html

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