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Cause: Failed to allocate an extent for table segment in tablespace.
Action: Use ALTER TABLESPACE ADD DATAFILE statement to add one or more
files to the tablespace indicated.
This error does not necessarily indicate whether or not you have enough space
in the tablespace, it merely indicates that Oracle could not find a large enough area of free
contiguous space in which to fit the next extent.
In order to see the free space available for a particular tablespace,
you must use the view DBA_FREE_SPACE.
The DBA_TABLES view describes the size of next extent (NEXT_EXTENT) and the
percentage increase (PCT_INCREASE) for all tables in the database.
The "next_extent" size is the size of extent that is trying to be allocated (and for
which you have the error).
When the extent is allocated :
next_extent = next_extent * (1 + (pct_increase/100))
Possible Solutions:-
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- Manually Coalesce Adjacent Free Extents
ALTER TABLESPACECOALESCE;
The extents must be adjacent to each other for this to work.
- Add a Datafile:
ALTER TABLESPACEADD DATAFILE ' '
SIZE;
- Resize the Datafile:
ALTER DATABASE DATAFILE '' RESIZE ;
- Enable autoextend:
ALTER DATABASE DATAFILE '' AUTOEXTEND ON
MAXSIZE UNLIMITED;
- Defragment the Tablespace:
- Lower "next_extent" and/or "pct_increase" size:
ALTERSTORAGE ( next
pctincrease);
- If the tablespace is being used as a temporary tablespace, temporary segments may
be still holding the space.
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