1 Microsoft Windows [版本 6.1.7601] 2 版权所有 (c) 2009 Microsoft Corporation。保留所有权利。 3 4 C:UsersAdministrator>sqlplus /nolog 5 6 SQL*Plus: Release 12.1.0.2.0 Production on 星期一 7月 25 00:10:15 2016 7 8 Copyright (c) 1982, 2014, Oracle. All rights reserved. 9 10 SQL> conn / as sysdba; 11 已连接。 12 SQL> select * from v$version; 13 14 BANNER 15 -------------------------------------------------------------------------------- 16 17 CON_ID 18 ---------- 19 Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production 20 0 21 22 PL/SQL Release 12.1.0.2.0 - Production 23 0 24 25 CORE 12.1.0.2.0 Production 26 0 27 28 29 BANNER 30 -------------------------------------------------------------------------------- 31 32 CON_ID 33 ---------- 34 TNS for 64-bit Windows: Version 12.1.0.2.0 - Production 35 0 36 37 NLSRTL Version 12.1.0.2.0 - Production 38 0 39 40 41 SQL> select sys_context ('USERENV', 'CON_NAME') from dual; 42 43 SYS_CONTEXT('USERENV','CON_NAME') 44 -------------------------------------------------------------------------------- 45 46 CDB$ROOT 47 48 SQL> select con_id,dbid,NAME,OPEN_MODE from v$pdbs; 49 50 CON_ID DBID NAME OPEN_MODE 51 ---------- ---------- ------------------------------ ---------- 52 2 1902492643 PDB$SEED READ ONLY 53 3 3763780899 PDBORCL MOUNTED 54 55 SQL> alter pluggable database pdborcl open; 56 57 插接式数据库已变更。 58 59 SQL> select con_id,dbid,NAME,OPEN_MODE from v$pdbs; 60 61 CON_ID DBID NAME OPEN_MODE 62 ---------- ---------- ------------------------------ ---------- 63 2 1902492643 PDB$SEED READ ONLY 64 3 3763780899 PDBORCL READ WRITE 65 66 SQL> select sys_context ('USERENV', 'CON_NAME') from dual; 67 68 SYS_CONTEXT('USERENV','CON_NAME') 69 -------------------------------------------------------------------------------- 70 71 CDB$ROOT 72 73 SQL> alter session set container=PDBORCL; 74 75 会话已更改。 76 77 SQL> select sys_context ('USERENV', 'CON_NAME') from dual; 78 79 SYS_CONTEXT('USERENV','CON_NAME') 80 -------------------------------------------------------------------------------- 81 82 PDBORCL 83 84 SQL> 85