相关阅读：
1.创建目录
[oracle@db1~]$ ~ $mkdir -p /u01/app/oracle/admin/orcl/wallet
2.修改sqlnet.ora
[oracle@db1~]$ ~ $cd /u01/app/oracle/product/11.1.0/db_1/network/admin/
[oracle@db1~]$admin $ls
afiedt.buf samples sqlnet.ora tnsnames.ora
listener.ora shrept.lst sqlnet.ora.bk2
[oracle@db1~]vim sqlnet.ora
ENCRYPTION_WALLET_LOCATION=
(SOURCE=
(METHOD = FILE)
(METHOD_DATA =
(DIRECTORY = /u01/app/oracle/admin/orcl/wallet)))
3.创建一个加密key
SQL>alter system set encryption key identified by "welcome";
System altered.
4.创建一个加密表空间
SQL>CREATE TABLESPACE encts
2 DATAFILE '$ORACLE_HOME/dbs/encts.dat' SIZE 10M
3 ENCRYPTION
4 DEFAULT STORAGE (ENCRYPT);
Tablespace created.
5.查看是否创建成功
SQL>select TABLESPACE_NAME,ENCRYPTED from dba_tablespaces
2 where tablespace_name='ENCTS'
TABLESPACE_NAME ENC
----------------------------------- -------
ENCTS YES
6.删除加密表空间
SQL>drop tablespace encts including contents and datafiles;
Tablespace dropped.