02 Oracle 12c Installation Manual
03 Detailed graphic and text explanation CentOS 6.3_x86_64 system installation + oracle10gR2 installation (Alex's blog)
02 when reboot the computer reside a oracle
lsnrctl start slqplus / as sysdba startup #to start instance
03 create temp tablespace
create temporary tablespace kelvin_temp tempfile'/oracle/tablespaces/kelvin/kelvin_temp.dbf' size 1024m autoextend on next 100m maxsize 10240m extent management local;
04 create data tablespace
create tablespace kelvin logging datafile'/oracle/tablespaces/kelvin/kelvin.dbf' size 1024m autoextend on next 100m maxsize 10240m extent management local;
05 create a common user which special tablespace
create user c##kelvin identified by kelvin default tablespace kelvin temporary tablespace kelvin_temp;
06 authorize
grant dba to c##kelvin;
07 login
--login as OS user connect / as sysdba --login as common db user connect c##kelvin/kelvin connect c##kelvin/kelvin@servername --login as dba connect c##kelvin/kelvin as sysdba
08 switch user
conn anotheruser/pwd --'conn' equal 'connect'
for reference: http://blog.csdn.net/qq_35624642/article/details/52771023