oracle database management 12c DBMS

http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html ORACLE SQL DEVELOPER status:Failure -Test failed:IO Error:The Network Adapter could not establish the connection open command prompt in admin mode then lsnrctl status lsnrctl start Global database name is SID and  host and port can be find from C:appadminproduct12.2.0dbhome_1networkadminsample set ORACLE_SID=orcl sqlplus /nolog username :sys as sysdba or system password you have entered during installation of …

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