来源于http://www.itpub.net/thread-1767138-1-1.html
PMON 多久register一次监听
If there is no listener at startup, PMON can obviously not register those information. Therefore, PMON tries then periodically to register with the listener, which might take up to 60 seconds.
It is possible to force this registration with alter system register.
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/25097694/viewspace-2129692/
,如需转载,请注明出处,否则将追究法律责任。