Create/Drop Database

Create a Database：

Drop a Database：

$ export ORACLE_SID=<my_SID>
$ sqlplus / as sysdba

SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.

SQL> startup mount exclusive restrict
ORACLE instance started.

Total System Global Area  281018368 bytes
Fixed Size                  2095672 bytes
Variable Size             109053384 bytes
Database Buffers          163577856 bytes
Redo Buffers                6291456 bytes
Database mounted.

SQL> drop database;

Database dropped.