oracle

 [oracle@localhost ~]$ sqlplus / as sysdba;  ----以 sysdba身份登录 
  2 
  3 SQL*Plus: Release 11.2.0.3.0 Production on Thu Dec 8 19:27:27 2016
  4 
  5 Copyright (c) 1982, 2011, Oracle.  All rights reserved.
  6 
  7 
  8 Connected to:
  9 Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - Production
 10 With the Partitioning, OLAP, Data Mining and Real Application Testing options
 11 
 12 SQL> shutdown immediate;  ---关闭数据库
 13 Database closed.
 14 Database dismounted.
 15 ORACLE instance shut down.
 16 SQL> startup nomount;  ----启动数据库
 17 ORACLE instance started.
 18 
 19 Total System Global Area 1221992448 bytes
 20 Fixed Size                  1344596 bytes
 21 Variable Size             771754924 bytes
 22 Database Buffers          436207616 bytes
 23 Redo Buffers               12685312 bytes

访问地址：https://172.16.13.77:1158/em
1.LINUX地址
su - oracle
exp zb_ra/1@orcl file=/home/zb/ra.dmp full=y
imp zb_ca_2/1@orcl file=/home/zb/zb_ca_1.dmp full=y

sqlplus /as sysdba