Oracle PDB$SEED
Version 19c

General Information
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Notes This page is specific to the PDB$SEED container. For more general information about CDBs, PDBs, and CDB$ROOT follow the containers link at page bottom.
Data Dictionary Objects
CDB_CONTAINER_DATA LOGMNRG_SEED$ V$CONTAINERS
CONTAINER$ LOGMNR_SEED$ V$PDBS
DBA_CONTAINER_DATA    
Roles
PDB_DBA    
System Privileges
CREATE PLUGGABLE DATABASE SET CONTAINER  
check out: catcon.pl, catcon.pm
 
PDB$SEED from PDB$ROOT
Seed Pluggable Container Exploration from Root conn / as sysdba

SQL> show con_name

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

SQL> desc container$
Name               Null?    Type
------------------ -------- ------
OBJ#               NOT NULL NUMBER
CON_ID#            NOT NULL NUMBER
DBID               NOT NULL NUMBER
CON_UID            NOT NULL NUMBER
STATUS             NOT NULL NUMBER
CREATE_SCNWRP      NOT NULL NUMBER
CREATE_SCNBAS      NOT NULL NUMBER
CLNSCNWRP                   NUMBER
CLNSCNBAS                   NUMBER
RDBA               NOT NULL NUMBER
FLAGS                       NUMBER
SPARE1                      NUMBER
SPARE2                      NUMBER
SPARE3                      VARCHAR2(128)
SPARE4                      VARCHAR2(128)

SQL> SELECT obj#, con_id#, dbid, con_uid, status, create_scnbas, flags, rdba
   2 FROM container$
   3 ODER BY 2;

 OBJ# CON_ID#       DBID    CON_UID STATUS CREATE_SCNBAS FLAGS    RDBA
----- ------- ---------- ---------- ------ ------------- ----- -------
  175       1 1646890724          1      2             0     0 4194824
91834       2 2025707704 2025707704      2       1689010     1 4194824
91992       3 3821213821 3821213821      2       1702206     0 4194824

SQL> desc v$pdbs
Name              Null?    Type
----------------- -------- ------------
CON_ID                     NUMBER
DBID                       NUMBER
CON_UID                    NUMBER
GUID                       RAW(16)
NAME                       VARCHAR2(30)
OPEN_MODE                  VARCHAR2(10)
RESTRICTED                 VARCHAR2(3)
OPEN_TIME                  TIMESTAMP(3)
CREATE_SCN                 NUMBER
TOTAL_SIZE                 NUMBER

col name format a11
col open_time format a26

SQL> SELECT con_id, dbid, name, open_mode, restricted, open_time, create_scn
   2 FROM v$pdbs
   3 WHERE con_id = 2;

    CON_ID DBID       NAME            OPEN_MODE  RES OPEN_TIME                  CREATE_SCN
---------- ---------- --------------- ---------- --- -------------------------- ----------
         2 4043696482 PDB$SEED        READ ONLY  NO  14-FEB-13 08.15.16.456 AM     2389989

SQL> ALTER PLUGGABLE DATABASE pdb$seed CLOSE;
alter pluggable database pdb$seed close
*
ERROR at line 1:
ORA-65017: seed pluggable database may not be dropped or altered

-- Note: From inside any other PDB you get
*
ERROR at line 1:
ORA-65040: operation not allowed from within a pluggable database

SQL> SELECT owner, object_type
   2 FROM dba_objects
   3 WHERE object_name = 'PDB$SEED';

OWNER                     OBJECT_TYPE
------------------------- --------------------
SYS                       UNDEFINED

SQL> SELECT COUNT(*)
2 FROM dba_objects
3 WHERE object_name LIKE 'CDB%';

  COUNT(*)
----------
      1874

SQL> SELECT COUNT(*)
   2 FROM dba_objects
   3 WHERE object_name = 'CDB_OBJECTS';

  COUNT(*)
----------
         2
 
PDB$SEED Internals
Seed Pluggable Container Exploration from inside the container conn / as sysdba

SQL> show con_name

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

SQL> ALTER SESSION SET CONTAINER = PDB$SEED;

Session altered.

SQL> show con_name

CON_NAME
------------------------------
PDB$SEED

-- compare this to the result seen in pdb$root above
SQL> SELECT dbid, name, open_mode, restricted
   2 FROM v$pdbs;

DBID       NAME            OPEN_MODE  RES
---------- --------------- ---------- ---
4043696482 PDB$SEED        READ ONLY  NO


SQL> SELECT COUNT(*)
   2 FROM dba_objects;

  COUNT(*)
----------
     90698

SQL> SELECT COUNT(*)
   2 FROM all_objects;

  COUNT(*)
----------
     89185

col username format a25
col account_status format a17
col default_tablespace format a7
col profile format a10
col temporary_tablespace format a4

SQL> SELECT username, common, account_status, lock_date, expiry_date
  2  FROM dba_users
  3  ORDER BY 1;

USERNAME               COM ACCOUNT_STATUS    LOCK_DATE            EXPIRY_DATE
---------------------- --- ----------------- -------------------- --------------------
ANONYMOUS              YES EXPIRED                                11-SEP-2016 11:15:19
APEX_040200            YES EXPIRED & LOCKED  11-SEP-2016 10:33:25 11-SEP-2016 10:33:25
APEX_PUBLIC_USER       YES OPEN                                   05-OCT-2016 15:12:32
APPQOSSYS              YES EXPIRED & LOCKED  11-SEP-2016 08:54:34 11-SEP-2016 08:54:34
AUDSYS                 YES EXPIRED & LOCKED  11-SEP-2016 08:40:57 11-SEP-2016 08:40:57
CTXSYS                 YES EXPIRED & LOCKED  11-SEP-2016 09:49:25 11-SEP-2016 09:49:25
DBSNMP                 YES EXPIRED & LOCKED  11-SEP-2016 08:54:32 11-SEP-2016 08:54:32
DIP                    YES EXPIRED & LOCKED  11-SEP-2016 08:44:33 11-SEP-2016 08:44:33
DVF                    YES EXPIRED & LOCKED  11-SEP-2016 11:15:19 11-SEP-2016 11:15:19
DVSYS                  YES EXPIRED & LOCKED  11-SEP-2016 11:13:42 11-SEP-2016 11:13:42
FLOWS_FILES            YES EXPIRED & LOCKED  11-SEP-2016 10:33:25 11-SEP-2016 10:33:25
GSMADMIN_INTERNAL      YES EXPIRED & LOCKED  11-SEP-2016 08:44:25 11-SEP-2016 08:44:25
GSMCATUSER             YES EXPIRED & LOCKED  11-SEP-2016 08:58:54 11-SEP-2016 08:58:54
GSMUSER                YES EXPIRED & LOCKED  11-SEP-2016 08:44:25 11-SEP-2016 08:44:25
LBACSYS                YES EXPIRED & LOCKED  11-SEP-2016 11:15:19 11-SEP-2016 11:15:19
MDDATA                 YES EXPIRED & LOCKED  11-SEP-2016 11:15:19 11-SEP-2016 11:15:19
MDSYS                  YES EXPIRED & LOCKED  11-SEP-2016 09:49:50 11-SEP-2016 09:49:50
OJVMSYS                YES EXPIRED & LOCKED  11-SEP-2016 09:22:55 11-SEP-2016 09:22:55
OLAPSYS                YES EXPIRED & LOCKED  11-SEP-2016 10:05:58 11-SEP-2016 10:05:58
ORACLE_OCM             YES EXPIRED & LOCKED  11-SEP-2016 08:46:09 11-SEP-2016 08:46:09
ORDDATA                YES EXPIRED & LOCKED  11-SEP-2016 09:49:49 11-SEP-2016 09:49:49
ORDPLUGINS             YES EXPIRED & LOCKED  11-SEP-2016 09:49:49 11-SEP-2016 09:49:49
ORDSYS                 YES EXPIRED & LOCKED  11-SEP-2016 09:49:49 11-SEP-2016 09:49:49
OUTLN                  YES EXPIRED & LOCKED  11-SEP-2016 08:41:00 11-SEP-2016 08:41:00
SI_INFORMTN_SCHEMA     YES EXPIRED & LOCKED  11-SEP-2016 09:49:49 11-SEP-2016 09:49:49
SPATIAL_CSW_ADMIN_USR  YES EXPIRED & LOCKED  11-SEP-2016 10:18:44 11-SEP-2016 10:18:44
SPATIAL_WFS_ADMIN_USR  YES EXPIRED & LOCKED  11-SEP-2016 10:18:38 11-SEP-2016 10:18:38
SYS                    YES OPEN                                   02-OCT-2016 22:10:47
SYSBACKUP              YES OPEN                                   23-NOV-2016 19:18:53
SYSDG                  YES OPEN                                   01-DEC-2016 10:03:46
SYSKM                  YES EXPIRED & LOCKED  11-SEP-2016 08:40:57 11-SEP-2016 08:40:57
SYSTEM                 YES OPEN                                   02-OCT-2016 22:10:47
WMSYS                  YES EXPIRED & LOCKED  11-SEP-2016 09:12:11 11-SEP-2016 09:12:11
XDB                    YES OPEN                                   05-OCT-2016 15:19:49
XS$NULL                YES EXPIRED & LOCKED  11-SEP-2016 08:45:34 11-SEP-2016 08:45:34

SELECT username, default_tablespace, temporary_tablespace, created, profile, editions_enabled
FROM dba_users
ORDER BY 1;

SQL> SELECT username, default_tablespace, temporary_tablespace, created, profile, editions_enabled
2 FROM dba_users
3 ORDER BY 1;

USERNAME                  DEFAULT TEMP CREATED              EDITIONS E
------------------------- ------- ---- -------------------- -------- -
ANONYMOUS                 SYSAUX  TEMP 11-SEP-2016 08:54:43 DEFAULT  N
APEX_040200               SYSAUX  TEMP 11-SEP-2016 10:29:19 DEFAULT  N
APEX_PUBLIC_USER          USERS   TEMP 11-SEP-2016 10:29:19 DEFAULT  N
APPQOSSYS                 SYSAUX  TEMP 11-SEP-2016 08:54:34 DEFAULT  N
AUDSYS                    USERS   TEMP 11-SEP-2016 08:40:57 DEFAULT  N
CTXSYS                    SYSAUX  TEMP 11-SEP-2016 09:47:42 DEFAULT  N
DBSNMP                    SYSAUX  TEMP 11-SEP-2016 08:54:32 DEFAULT  N
DIP                       USERS   TEMP 11-SEP-2016 08:44:33 DEFAULT  N
DVF                       SYSAUX  TEMP 11-SEP-2016 11:12:47 DEFAULT  N
DVSYS                     SYSAUX  TEMP 11-SEP-2016 11:12:47 DEFAULT  N
FLOWS_FILES               SYSAUX  TEMP 11-SEP-2016 10:29:19 DEFAULT  N
GSMADMIN_INTERNAL         SYSAUX  TEMP 11-SEP-2016 08:44:25 DEFAULT  N
GSMCATUSER                USERS   TEMP 11-SEP-2016 08:58:54 DEFAULT  N
GSMUSER                   USERS   TEMP 11-SEP-2016 08:44:25 DEFAULT  N
LBACSYS                   SYSTEM  TEMP 11-SEP-2016 10:28:35 DEFAULT  N
MDDATA                    USERS   TEMP 11-SEP-2016 10:07:47 DEFAULT  N
MDSYS                     SYSAUX  TEMP 11-SEP-2016 09:49:50 DEFAULT  N
OJVMSYS                   USERS   TEMP 11-SEP-2016 09:22:54 DEFAULT  N
OLAPSYS                   SYSAUX  TEMP 11-SEP-2016 10:05:58 DEFAULT  N
ORACLE_OCM                USERS   TEMP 11-SEP-2016 08:46:09 DEFAULT  N
ORDDATA                   SYSAUX  TEMP 11-SEP-2016 09:49:49 DEFAULT  N
ORDPLUGINS                SYSAUX  TEMP 11-SEP-2016 09:49:49 DEFAULT  N
ORDSYS                    SYSAUX  TEMP 11-SEP-2016 09:49:49 DEFAULT  N
OUTLN                     SYSTEM  TEMP 11-SEP-2016 08:41:00 DEFAULT  N
SI_INFORMTN_SCHEMA        SYSAUX  TEMP 11-SEP-2016 09:49:49 DEFAULT  N
SPATIAL_CSW_ADMIN_USR     USERS   TEMP 11-SEP-2016 10:18:44 DEFAULT  N
SPATIAL_WFS_ADMIN_USR     USERS   TEMP 11-SEP-2016 10:18:38 DEFAULT  N
SYS                       SYSTEM  TEMP 11-SEP-2016 08:40:57 DEFAULT  N
SYSBACKUP                 USERS   TEMP 11-SEP-2016 08:40:57 DEFAULT  N
SYSDG                     USERS   TEMP 11-SEP-2016 08:40:57 DEFAULT  N
SYSKM                     USERS   TEMP 11-SEP-2016 08:40:57 DEFAULT  N
SYSTEM                    SYSTEM  TEMP 11-SEP-2016 08:40:57 DEFAULT  N
WMSYS                     SYSAUX  TEMP 11-SEP-2016 09:12:11 DEFAULT  N
XDB                       SYSAUX  TEMP 11-SEP-2016 08:54:43 DEFAULT  N
XS$NULL                   USERS   TEMP 11-SEP-2016 08:45:34 DEFAULT  N

SQL> SELECT COUNT(*)
   2 FROM dba_objects
   3 WHERE object_name LIKE 'CDB%';

  COUNT(*)
----------
      1963
 
Common Users and Roles
Create Common User conn / as sysdba

CREATE USER c##abc IDENTIFIED BY abc;

ALTER SESSION SET CONTAINER = PDB$SEED;

sho con_name

SELECT username
FROM dba_users
WHERE username LIKE 'C##%';

ALTER SESSION SET CONTAINER = PDBDEV;

sho con_name

SELECT username
FROM dba_users
WHERE username LIKE 'C##%';

SQL> DROP USER c##abc;
DROP USER c##abc
*
ERROR at line 1:
ORA-65050: Common DDLs only allowed in CDB$ROOT
Create Common Role conn / as sysdba

CREATE ROLE c##mlib;

ALTER SESSION SET CONTAINER = PDB$SEED;

sho con_name

SELECT role
FROM dba_roles
WHERE role LIKE 'C##%';

SELECT *
FROM cdb_roles
WHERE role LIKE 'C##%';

ALTER SESSION SET CONTAINER = PDBDEV;

sho con_name

SELECT role
FROM dba_roles
WHERE role LIKE 'C##%';

SELECT *
FROM cdb_roles
WHERE role LIKE 'C##%';

sho user

SQL> DROP ROLE c##mlib;
DROP ROLEe c##mlib
*
ERROR at line 1:
ORA-65050: Common DDLs only allowed in CDB$ROOT
 
Queries
PDB Related Functions conn / as sysdba

ALTER SESSION SET CONTAINER = PDB$SEED;

sho con_name

SQL> SELECT con_id, dbid, con_uid, guid
   2 FROM v$pdbs;

    CON_ID       DBID    CON_UID GUID
---------- ---------- ---------- --------------------------------
         2  911226043  911226043 CB88F618DED84CEE885718FD49F56CC4

SQL> SELECT con_dbid_to_id(911226043)
   2 FROM dual;

CON_DBID_TO_ID(911226043)
--------------------------
                         2

SQL> SELECT con_name_to_id('PDB$SEED')
   2 FROM dual;

CON_NAME_TO_ID('PDB$SEED')
--------------------------
                         2

SQL> SELECT con_uid_to_id(911226043)
   2 FROM dual;

CON_UID_TO_ID(911226043)
-------------------------
                        2

-- the function con_guid_to_id appears to be non-functional as seen below
SQL> SELECT con_guid_to_id('CB88F618DED84CEE885718FD49F56CC4')
   2 FROM dual;

CON_GUID_TO_ID('CB88F618DED84CEE885718FD49F56CC4')
--------------------------------------------------


SQL> SELECT con_guid_to_id(CB88F618DED84CEE885718FD49F56CC4)
   2 FROM dual;
SELECT con_guid_to_id(CB88F618DED84CEE885718FD49F56CC4)
*
ERROR at line 1:
ORA-00972: identifier is too long

Related Topics
Application Containers
Built-in Functions
Built-in Packages
CONTAINERS
Database
DBMS_PDB
DBMS_PREUP
DBMS_SERVICE
DBMS_SYNC_REFRESH
What's New In 19c
What's New In 20c-21c

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