Oracle 12c Cheat Sheet

Quick Check

Listner status

lsnrctl status

It must display services (XE or E1Local in this case) :

LSNRCTL for Linux: Version 12.1.0.2.0 - Production on 06-OCT-2014 20:46:10

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Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 12.1.0.2.0 - Production
Start Date                06-OCT-2014 17:19:19
Uptime                    0 days 3 hr. 26 min. 50 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Log File         /u01/app/oracle/diag/tnslsnr/vmsvr075/listener/alert/log.xml
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=vmsvr075)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcps)(HOST=vmsvr075)(PORT=5500))(Security=(my_wallet_directory=/u01/app/oracle/admin/E1Local/xdb_wallet))(Presentation=HTTP)(Session=RAW))
Services Summary...
Service "E1Local" has 1 instance(s).
  Instance "E1Local", status READY, has 1 handler(s) for this service...
Service "E1LocalXDB" has 1 instance(s).
  Instance "E1Local", status READY, has 1 handler(s) for this service...
The command completed successfully

Create Dabase

Create Database dbca : in /u01/app/oracle/product/12.1.0/dbhome_1/bin/