Download the oracle DB products used for training courses, use two times after the download is complete, open it through a week after the show
Initialization error
SQL * Net not properly installd
OracleHomeKey:
OracleHomeDir:
My oracle version is 12.1.0.1, computer system is win10
Seek guidance

CodePudding user response:

This should be helpful to you
http://blog.itpub.net/30168575/viewspace-1737255/

CodePudding user response:

If not, reinstall the PL/SQL Developer