How to create pluggable database in oracle ?

 create pluggable database in oracle 

SQL> show con_name 

CON_NAME

------------------------------

CDB$ROOT

SQL> 

SQL> show pdbs

    CON_ID CON_NAME   OPEN MODE  RESTRICTED

---------- ------------------------------ ---------- ----------

2 PDB$SEED   READ ONLY  NO

3 PDB   READ WRITE NO

SQL> 

SQL> 

SQL> 

SQL> 

SQL> create pluggable database demo1 admin user demo1 identified by demo1

  2  file_name_convert=('/u01/app/oracle/oradata/DB1/pdbseed','/u01/app/oracle/oradata/demo1');   

Pluggable database created.

SQL> show pdbs

    CON_ID CON_NAME   OPEN MODE  RESTRICTED

---------- ------------------------------ ---------- ----------

2 PDB$SEED   READ ONLY  NO

3 PDB   READ WRITE NO

4 DEMO1   MOUNTED

SQL> alter pluggable database demo1 open read write;

Pluggable database altered.

SQL> show pdbs

    CON_ID CON_NAME   OPEN MODE  RESTRICTED

---------- ------------------------------ ---------- ----------

2 PDB$SEED   READ ONLY  NO

3 PDB   READ WRITE NO

4 DEMO1   READ WRITE NO

SQL> 

SQL> 

SQL>       

SQL> alter session set container=demo1;

Session altered.

SQL> show con_name 

CON_NAME

------------------------------

DEMO1

SQL> 

SQL> 

SQL> 

SQL> select name from v$pdbs;

NAME

--------------------

DEMO1

SQL> 

how to drop pluggable database in oracle ?

 Drop pluggable database in oracle

=> connect to the container database 

=> close the pluggable database 

=> unplug the pluggable database (optional)

=> drop the pluggable database 

    .if we are using the command without including datafiles , this only remove pdb not underline datafiles etc .

SQL> alter session set container =cdb$root;

Session altered.

SQL> show pdbs

    CON_ID CON_NAME   OPEN MODE  RESTRICTED

---------- ------------------------------ ---------- ----------

 2 PDB$SEED   READ ONLY  NO

 3 PDB   READ WRITE NO

 4 DEMO1   READ WRITE NO

SQL> 

SQL> alter pluggable database demo1 close immediate;

Pluggable database altered.

SQL> show pdbs

    CON_ID CON_NAME   OPEN MODE  RESTRICTED

---------- ------------------------------ ---------- ----------

 2 PDB$SEED   READ ONLY  NO

 3 PDB   READ WRITE NO

 4 DEMO1   MOUNTED

SQL> drop pluggable database demo1 including datafiles;

Pluggable database dropped.

SQL> show pdbs

    CON_ID CON_NAME   OPEN MODE  RESTRICTED

---------- ------------------------------ ---------- ----------

 2 PDB$SEED   READ ONLY  NO

 3 PDB   READ WRITE NO

SQL> 

How to check and list pluggable database in oracle ?

 

SQL> 

SQL> select name from v$pdbs;

NAME

--------------------

PDB$SEED

PDB

SQL> 

SQL> select pdb_name from cdb_pdbs;

PDB_NAME

--------------------

PDB

PDB$SEED

SQL> 

SQL> show pdbs

    CON_ID CON_NAME   OPEN MODE  RESTRICTED

---------- ------------------------------ ---------- ----------

2 PDB$SEED   READ ONLY  NO

3 PDB   READ WRITE NO

SQL> 

SQL> 

Oracle Error : ORA-65040: operation not allowed from within a pluggable database

 

ORA-65040: operation not allowed from within a pluggable database

SQL> drop pluggable database demo1 including datafiles;

drop pluggable database demo1 including datafiles

*

ERROR at line 1:

ORA-65040: operation not allowed from within a pluggable database

SQL> 

Solution :

=> connect to the container database 

=> close the pluggable database 

=> unplug the pluggable database (optional)

=> drop the pluggable database 

    .if we are using the command without including datafiles , this only remove pdb not underline datafiles etc .

SQL> alter session set container =cdb$root;

Session altered.

SQL> show pdbs

    CON_ID CON_NAME   OPEN MODE  RESTRICTED

---------- ------------------------------ ---------- ----------

2 PDB$SEED   READ ONLY  NO

3 PDB   READ WRITE NO

4 DEMO1   READ WRITE NO

SQL> 

SQL> alter pluggable database demo1 close immediate;

Pluggable database altered.

SQL> show pdbs

    CON_ID CON_NAME   OPEN MODE  RESTRICTED

---------- ------------------------------ ---------- ----------

2 PDB$SEED   READ ONLY  NO

3 PDB   READ WRITE NO

4 DEMO1   MOUNTED

SQL> drop pluggable database demo1 including datafiles;

Pluggable database dropped.

SQL> show pdbs

    CON_ID CON_NAME   OPEN MODE  RESTRICTED

---------- ------------------------------ ---------- ----------

2 PDB$SEED   READ ONLY  NO

3 PDB   READ WRITE NO

SQL>