Renaming Pluggable Database

Renaming Pluggable Database

Objective
Rename a pluggable database (PDB) from PDBWFM to PDBWFM01.
$ sqlplus / as sysdba

SQL*Plus: Release 12.1.0.2.0 Production on Tue May 5 12:22:30 2020

Copyright (c) 1982, 2014, Oracle. All rights reserved.

Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Advanced Analytics and Real Application Testing options

SQL> show pdbs

CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
2 PDB$SEED READ ONLY NO
3 PDBWFM READ WRITE NO

For rename operation a PDB must be in RESTRICTED mode:

SQL> alter pluggable database PDBWFM close immediate;
Pluggable database altered.

SQL> alter pluggable database PDBWFM open restricted;
Pluggable database altered.

SQL> select name, open_mode from v$pdbs;

NAME OPEN_MODE RESTRICTED
------------------------------ ---------- ----------
PDB$SEED READ ONLY NO
PDBWFM READ WRITE YES

Perform the rename and restart (CLOSE / OPEN) a PDB:


SQL> alter session set container = PDBWFM;
Session altered.

SQL> alter pluggable database PDBWFM rename global_name to PDBWFM01;
Pluggable database altered.

SQL> alter pluggable database PDBWFM01 close immediate;
Pluggable database altered.

SQL> alter pluggable database PDBWFM01 open;
Pluggable database altered.

SQL> show pdbs

CON_ID CON_NAME OPEN MODE RESTRICTED
---------- ------------------------------ ---------- ----------
2 PDB$SEED READ ONLY NO
3 PDBWFM01 READ WRITE NO

The directories corresponding to the PDB are do not get renamed. If you want to move the datafiles to a new directory use the “Online Move Datafile” feature in Oracle 12c.
To rename Oracle Managed-Files (OMF) consult the documentation available in the reference of this article [1].

References
[1] How to rename Oracle-Managed Files (OMFs) (Doc ID 191574.1). Available at: https://support.oracle.com/knowledge/Oracle%20Database%20Products/191574_1.html