Re: NEXT_EXTENT and PCT_INCREASE

Try executing "SELECT EXTENT_MANAGEMENT, ALLOCATION_TYPE FROM DBA_TABLESPACES WHERE TABLESPACE_NAME = '<tablespace-name>'"...

You should probably see the responses "LOCAL" and "SYSTEM", indicating that the tablespace is locally-managed and auto-allocate...

on 8/26/03 4:44 PM, Roger Xu at roger_xu_at_dp7uptx.com wrote:

>
> Why the table was created with initial extent as 1700M,
> but dba_extents says the first extent is 8M only?
>
> SQL> select initial_extent from dba_tables where table_name='BSIS';
> 1782579200
>
> SQL> select bytes from dba_extents where segment_name='BSIS' and extent_id=1;
> 8388608
>
> SQL> select bytes,count(*) from dba_extents where segment_name='BSIS' group by
> bytes;
> 8388608 113
> 67108864 137
>
> -----Original Message-----
> Sent: Tuesday, August 26, 2003 3:14 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Roger,
>
> 1. Space management can be specified for a tablespace, not a segment. Create
> ASSM tablespace and alter table ... move there.
>
> 2. Locally managed tablespace, I guess. Oracle doesn't need NEXT_EXTENT and
> PCT_INCREASE then.
>
> HTH
> Vadim
>
> -----Original Message-----
> Sent: Tuesday, August 26, 2003 3:59 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Hi,
>
> I have the following output when I querying dba_tables.
>
> Question 1: This table is created using manual management method, right?
> What do I do in order to turn it to Automatic segment-space
> management?
>
> Question 2: How come there are no values for NEXT_EXTENT and PCT_INCREASE?
>
> Thanks,
>
> Roger Xu
>
>
> PCT_FREE PCT_USED INI_TRANS MAX_TRANS
> ---------- ---------- ---------- ----------
> 10 40 1 255
>
> INITIAL_EXTENT NEXT_EXTENT MIN_EXTENTS MAX_EXTENTS PCT_INCREASE
> -------------- ----------- ----------- ----------- ------------
> 527491072 1 2147483645
>
> FREELISTS FREELIST_GROUPS
> ---------- ---------------
> 1 1
>
> LOGGING BACKED_UP NUM_ROWS
> ------- --------- ----------
> YES N 216122635
>
> BLOCKS EMPTY_BLOCKS AVG_SPACE CHAIN_CNT
> ---------- ------------ ---------- ----------
> 7651115 4307 319 0
>
>
> AVG_ROW_LEN AVG_SPACE_FREELIST_BLOCKS NUM_FREELIST_BLOCKS
> ----------- ------------------------- -------------------
> 254 4496 2

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