Issue in Tablespace usage

Question

Hi ,
I am resizing the tablespace size manually that overcome the maxsize, and the tablespace is in "autoextend on".
I want to know whether the tablespace size is increased for usage upto resized level ( 1000M ) Or upto unlimited level due to "autoextend on" ???
SQL> CREATE tablespace egurkhatab datafile '/oracle/product/10.2.0/oradata/orcl/tab02.dbf' size 100M autoextend on maxsize 500M;
Tablespace created.
SQL> alter database datafile '/oracle/product/10.2.0/oradata/orcl/tab02.dbf' resize 1000M;
Database altered.
Thanks & Regards

Answer 1

Hi Girish,
SQL> create tablespace abc datafile
2 'C:\ORACLE\PRODUCT\10.2.0\ORADATA\STANDBY\abcdf.dbf' size 5m autoextend on
maxsize 10m;
Tablespace created.
SQL> conn abc/abc
Connected.
SQL> create table abc1 as select * from all_objects;
Table created.
SQL> conn /as sysdba
Connected.
SQL> select sum(bytes/1024/1024) from v$datafile where file#=5;
SUM(BYTES/1024/1024)
6
SQL> conn abc/abc
Connected.
SQL> create table abc2 as select * from all_objects;
create table abc2 as select * from all_objects
ERROR at line 1:
ORA-01652: unable to extend temp segment by 128 in tablespace ABC
Now,
SQL> conn /as sysdba
Connected.
SQL> select sum(bytes/1024/1024) from v$datafile where file#=5;
SUM(BYTES/1024/1024)
9.0625
SQL> alter database datafile 5 resize 15m;
Database altered.
SQL> conn abc/abc
Connected.
SQL> create table abc2 as select * from all_objects;
Table created.
SQL> conn /as sysdba
Connected.
SQL> select sum(bytes/1024/1024) from v$datafile where file#=5;
SUM(BYTES/1024/1024)
15
SQL> conn abc/abc
Connected.
SQL> create table abc3 as select * from all_objects;
create table abc3 as select * from all_objects
ERROR at line 1:
ORA-01652: unable to extend temp segment by 128 in tablespace ABC
HTH
KSG