After a new database built, confirm following tools is working.
?
1. sqlplus
./sqlplus
connect system/******
./sqlplus
connect system/******
?
2. isqlplus
http://localhost:5560/isqlplus
username=system
password=******
http://localhost:5560/isqlplus
username=system
password=******
?
3. TNS
./lsnrctl
start
./lsnrctl
start
?
4. em
http://localhost:5500/em
username=system
password=******
http://localhost:5500/em
username=system
password=******