Home » Tables » Dba Tablespaces 12 2

Dba Tablespaces 12 2

37 rows This column is available starting with Oracle Database 12 c Release 2 ( 12.





VARCHAR2(7) For internal use only.


VARCHAR2(1) Indicates whether this is a chunk tablespace (Y) or not (N) This column is available starting with Oracle Database 12 c Release 2 ( 12.




29 rows DBA_TABLESPACES describes all tablespaces in the database.

Related View.

, Default Tablespace Clause in 12.


In Oracle database 12.

2 the DEFAULT TABLESPACE clause can be used regardless of the source of the clone.

If the source is the seed PDB, the clause is used to create a new default tablespace, as it was in Oracle 12.


07/09/2018 from dba_tablespaces tbs order by 1 / sql How to check Oracle tablespace growth history.

Starting Oracle 10G, Oracle records tablespaces usage (allocated, used etc.

) in AWR which can be retrieved by querying the data dictionary view dba_hist_tbspc_space_usage.

We can use below script view the history of tablespace(s) usage and predict.

A customer recently asked us to identify tablespaces that most contributed to sudden space consumption on ASM.

It’s easy enough to find what’s using the This blog post covers how to to attain insights into tablespace and database growth by retrieving the growth history for Oracle Tablespaces.

Home Articles 12c Here.

Multitenant : USER_TABLESPACES Clause in Oracle Database 12c.

The USER_TABLESPACES clause of the CREATE PLUGGABLE DATABASE command gives control over which tablespaces are included in a PDB created from a clone or a plugin operation.

The USER_TABLESPACES Clause in 12.



2 Onward; The Extended USER_TABLESPACES Clause in 12.

2 #, desc dba_tablespaces set linesize 121 col tablespace_name format a20 SELECT tablespace_name, block_size, status, contents, retention, extent_management, allocation_type, plugged_in, segment_space_management FROM dba_tablespaces ; desc dba_data_files col file_name format a45 SELECT file_name, tablespace_name, bytes, blocks, autoextensible.

03/03/2020 EBS 12.




OL6 Hi ALL, I am wondering why our database size is growing so fast?

Its size a year ago was only 400Gb, but now its almost 1Tb.

So I am checking our database size via the OS file size, going through the dbf files under the data folder.

And I so these queue dbf have grown sooo big, almost 180Gb?

SQL> drop tablespace tbs_test including contents and datafiles; Tablespace dropped.

SQL> select tablespace_name, segment_space_management from dba_tablespaces where tablespace_name=’TBS_TEST’; no rows selected SQL> create tablespace tbs_test datafile size 10M autoextend on next 1M segment space management auto; Tablespace created.

28/01/2020 How to check for Local Undo feature in 12.

2 Here is the query to check for Local Undo feature in Oracle database 12.


This feature enables local undo tablespace for each of the pdb#sdba tablespaces 12 2