Oracle 12c New Feature_create user

在Oracle 12c instance (带有container)下直接create user会报错ORA-65096:

Oracle 12c 出现通用用户（common user） 和 本地用户（local user）

SQL> create user dbm identified by pass default tablespace large temporary tablespace temp;
create user dbm identified by pass default tablespace LARGE temporary tablespace temp
            *
ERROR at line 1:
ORA-65096: invalid common user or role name

SQL> show con_name


CON_NAME
------------------------------
CDB$ROOT

//在容器CDB$ROOT创建common user ，要以C## 或c##开头，如：

1. Common user will be created under root container only;

2. Current container mu be set to CDB$ROOT

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SQL> CREATE USER C##dbm identified by pass;


User created.

SQL> create user c##dbm identified by pass container=all;
create user c##dbm identified by pass container=all
            *
ERROR at line 1:
ORA-01920: user name 'C##DBM' conflicts with another user or role name

// 在PDB上创建一个local user

SQL> alter session set container=diccon;


Session altered.

SQL> show con_name


CON_NAME
------------------------------
DICCON
SQL> sho con_name


CON_NAME
------------------------------
DICCON

SQL> create user dbm identified by pass default tablespace users temporary tablespace temp;


User created.