Question about extensions.

It's the defination of tablesapce I had for my tablespace DBMS_METADATA usng

CREATE TABLESPACE DATAFILE 'ABC_DEFAULT '.
' / aspdev/db62ora1/oradata/ICDEV/ABC_default.dbf' 209715200 SIZE
AUTOEXTEND ON NEXT 131072 MAXSIZE 32767M
ONLINE REGISTRATION PERMANENT BLOCKSIZE 8192
EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO AUTOALLOCATE

(1) how many degrees will be created when creating a tablespace.
(2) how many degrees will be created at the first table created.
(3) when the file gets spread extensions how many will be created.

I'll try to find the space used in the tablespace and although I am inserting data in many table always use the storage space does not increase. and also the total number of bytes in the user_extents does not increase.

user445775 wrote:
It's the defination of tablesapce I had for my tablespace DBMS_METADATA usng

CREATE TABLESPACE DATAFILE 'ABC_DEFAULT '.
' / aspdev/db62ora1/oradata/ICDEV/ABC_default.dbf' 209715200 SIZE
AUTOEXTEND ON NEXT 131072 MAXSIZE 32767M
ONLINE REGISTRATION PERMANENT BLOCKSIZE 8192
EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO AUTOALLOCATE

(1) how many degrees will be created when creating a tablespace.
(2) how many degrees will be created at the first table created.
(3) when the file gets spread extensions how many will be created.

I'll try to find the space used in the tablespace and although I am inserting data in many table always use the storage space does not increase. and also the total number of bytes in the user_extents does not increase.

Anurag answered your 3 numbered questions. As for the implicit question in your closing statement...

When you create a table, a point is allocated out of free space of TS. This measure is dedicated/reserved for this table. Let's say the measure was of 1 MB. Until you insert more than 1 MB of data (well, about - not enter into fresh block overhead, etc.) it is not necessary to allocate an extra point. Until you reach the point to assign an additional measure, the use of tablespace will not increase. The only use of the tablespace cares is extended. If a measure is full, half-full or empty, the simple fact is it is attributed is what takes the place of storage.

So let's say that you create a tablespace nine of 500 MB. You have (approximately) 100 MB of free space. (even once, we will ignore air minor and questions). Now, you create 10 tables, each with an initial measure of 10 MB. Each of the scopes has 10 MB of space and you have consumed 10 ch X 10 MB of storage space. You have not yet inserted all the data, but you have consumed 100 MB of space for your table. leaving you with 400 MB of free space. Now, let's say insert you 9 MB of data in each of the ten tables. Blocks that have received these lines were in the already allocated extents, so no additional scope should be allocated. So use of tablespace has not changed.

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