How to change the open mode of all pluggable databases

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How to change the open mode of all pluggable databases

http://dbaworkshop.blogspot.com/2013/07/How-to-change-the-open-mode-of-all-pluggable-databases.html

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How to change the open mode of all pluggable databases

  1. 1. Articles from Database administrator workshop How to change the open mode of all pluggable databases When you need to modify the open mode of all your PDBs at the same time (look at this post if you want to change the open mode of only a specific pluggable database) you can use ALTER PLUGGABLE DATABASE command and the ALL option. As usual you have to ensure that the current container is the root. view plainprint? 1. SQL> SELECT SYS_CONTEXT ('USERENV', 'CON_NAME') FROM DUAL; 2. 3. SYS_CONTEXT('USERENV','CON_NAME') 4. -------------------------------------------------------------------------------- 5. CDB$ROOT The following statement for example changes the open mode of all your pluggable databases at the same time. view plainprint? 1. SQL>ALTER PLUGGABLE DATABASE ALL CLOSE IMMEDIATE; 2. 3. Pluggable database altered. 4. 5. SQL> select NAME, OPEN_MODE, CON_ID from V$PDBS; 6. 7. NAME OPEN_MODE CON_ID 8. ------------------------------ ---------- ---------- 9. PDB$SEED READ ONLY 2 10. PDB001 MOUNTED 3 11. PDB002 MOUNTED 4 When you need to change the open mode of all pluggable database except for listed ones you can include also the EXCEPT option as in the following example: view plainprint? 1. SQL> ALTER PLUGGABLE DATABASE ALL EXCEPT PDB001 OPEN READ WRITE; 2. 3. Pluggable database altered. 4. 5. SQL> select NAME, OPEN_MODE, CON_ID from V$PDBS; 6. 7. NAME OPEN_MODE CON_ID 8. ------------------------------ ---------- ---------- 9. PDB$SEED READ ONLY 2 10. PDB001 MOUNTED 3 11. PDB002 READ WRITE 4
  2. 2. To open all my pluggable databases I can simply execute the following command. It doesn't take care that PDB002 is already open in READ WRITE mode: any error is returned because the pluggable databases are in different open mode. view plainprint? 1. SQL> ALTER PLUGGABLE DATABASE ALL OPEN READ WRITE; 2. 3. Pluggable database altered. 4. 5. SQL> select NAME, OPEN_MODE, CON_ID from V$PDBS; 6. 7. NAME OPEN_MODE CON_ID 8. ------------------------------ ---------- ---------- 9. PDB$SEED READ ONLY 2 10. PDB001 READ WRITE 3 11. PDB002 READ WRITE 4 However, if any of your pluggable databases are in READ ONLY mode, then the statement returns the error "ORA-65019: pluggable database PDB001 already open" as you can see: view plainprint? 1. SQL> ALTER PLUGGABLE DATABASE ALL CLOSE IMMEDIATE; 2. 3. Pluggable database altered. 4. 5. SQL> select NAME, OPEN_MODE, CON_ID from V$PDBS; 6. 7. NAME OPEN_MODE CON_ID 8. ------------------------------ ---------- ---------- 9. PDB$SEED READ ONLY 2 10. PDB001 MOUNTED 3 11. PDB002 MOUNTED 4 12. 13. SQL> ALTER PLUGGABLE DATABASE PDB001 OPEN READ ONLY; 14. 15. Pluggable database altered. 16. 17. SQL> select NAME, OPEN_MODE, CON_ID from V$PDBS; 18. 19. NAME OPEN_MODE CON_ID 20. ------------------------------ ---------- ---------- 21. PDB$SEED READ ONLY 2 22. PDB001 READ ONLY 3 23. PDB002 MOUNTED 4 24. 25. SQL> ALTER PLUGGABLE DATABASE ALL OPEN READ WRITE; 26. ALTER PLUGGABLE DATABASE ALL OPEN READ WRITE 27. * 28. ERROR at line 1: 29. ORA-65019: pluggable database PDB001 already open Even if the statement fails for pluggable database PDB001 it was able to open
  3. 3. PDB002 as requested: view plainprint? 1. SQL> select NAME, OPEN_MODE, CON_ID from V$PDBS; 2. 3. NAME OPEN_MODE CON_ID 4. ------------------------------ ---------- ---------- 5. PDB$SEED READ ONLY 2 6. PDB001 READ ONLY 3 7. PDB002 READ WRITE 4 To avoid the error ORA-65019 you can include the FORCE option in your command: view plainprint? 1. SQL> ALTER PLUGGABLE DATABASE ALL OPEN READ WRITE FORCE; 2. 3. Pluggable database altered. 4. 5. SQL> select NAME, OPEN_MODE, CON_ID from V$PDBS; 6. 7. NAME OPEN_MODE CON_ID 8. ------------------------------ ---------- ---------- 9. PDB$SEED READ ONLY 2 10. PDB001 READ WRITE 3 11. PDB002 READ WRITE 4 To shutdown all your pluggable databases except one you can use the following command: view plainprint? 1. SQL> alter pluggable database all except PDB002 close immediate; 2. 3. Pluggable database altered. 4. 5. SQL> select name, open_mode from V$PDBS; 6. 7. NAME OPEN_MODE 8. ------------------------------ ---------- 9. PDB$SEED READ ONLY 10. PDB001 MOUNTED 11. PDB002 READ WRITE To list some of your pluggable databases you can use the comma as in the following example where I need to open all my pluggable databases (PDB001 and PDB002) except those listed (just PDB001 and PDB002!!). Nothing happens of course. view plainprint? 1. SQL> alter pluggable database all except PDB002,PDB001 open; 2. 3. Pluggable database altered. 4. 5. SQL> select name, open_mode from V$PDBS;
  4. 4. 6. 7. NAME OPEN_MODE 8. ------------------------------ ---------- 9. PDB$SEED READ ONLY 10. PDB001 MOUNTED 11. PDB002 READ WRITE That's all.

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