Above the

CodePudding user response:

CodePudding user response:

Don't sink...

CodePudding user response:

I also appears the question, the most began to build the database instance can normal landing, when you create a second local database instance, you need to turn off the first service to the database instance, the second database instance can normal login, this is I tried, the hope can help you

CodePudding user response:

In services, the two libraries are play?
And then can also see the alert log, whether is open,

Want to the library, each in sys, first set the set is=XXX, then up sqlplus/as sysdba

CodePudding user response:

Environment variable is wrong or database didn't start