SQL> create user crm identified by crm;
create user crm identified by crm
*
第 1 行出现错误:
ORA-65096: 公用用户名或角色名无效
这个错误在之前一直没有遇到过，查询metalink（id 文档 ID 1572404.1）等，发现这个是oracle12c的新特性决定的
一、CDB/PDB
SQL> conn /as sysdba
SQL> show con_name;
CON_NAME
------------------------------
CDB$ROOT
SQL> select PDB from v$services;
PDB
------------------------------
PDBORCL
CDB$ROOT
CDB$ROOT
CDB$ROOT
CDB$ROOT
SQL> alter session set container=PDBORCL;
会话已更改。
SQL> show con_name
CON_NAME
------------------------------
PDBORCL
SQL> create user crmm identified by crmm;
create user crmm identified by crmm
*
第 1 行出现错误:
ORA-01109: 数据库未打开
SQL> show pdbs
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
3 PDBORCL MOUNTED
SQL> show pdbs
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
3 PDBORCL MOUNTED
SQL> show pdbs
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
3 PDBORCL MOUNTED
SQL> alter database open;
数据库已更改。
SQL> show pdbs
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
3 PDBORCL READ WRITE NO
SQL> show pdbs
CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
3 PDBORCL READ WRITE NO