** Myself
## from 10g
- Set new oracle home & Path
export ORACLE_HOME=$ORACLE_BASE/12102
export PATH=$ORACLE_HOME/bin:$PATH
- Run Upgrade Tool
dbua
#check /etc/oratab -> Oracle Home has set to Y
- Select Source DB
# case recycle not empty ,Check
# select * from registry$sys_inv_objs;
select * from registry$nonsys_inv_objs;
## from 10g
- Set new oracle home & Path
export ORACLE_HOME=$ORACLE_BASE/12102
export PATH=$ORACLE_HOME/bin:$PATH
- Run Upgrade Tool
dbua
#check /etc/oratab -> Oracle Home has set to Y
- Select Source DB
# case recycle not empty ,Check
# select * from registry$sys_inv_objs;
select * from registry$nonsys_inv_objs;