What is a bigfile tablespace in oracle database?

The bigfile feature of an oracle database tablespace, allows us to create a tablespace having a very large data files.

With 8KB block size, which is  for normal tablespace data block size, we can create a data file as large as 32TB. But with 32KB block size, which is a bigfile tablespace feature , we can create a data file up to 128TB.

Here below is an example on how to create a bigfile tabelespace.

SQL> create bigfile tablespace mereba_big_data
  2  datafile 'D:\app\Admin\virtual\oradata\orcl\mereba_big_data01.dbf'
  3  size 10g
  4  extent management local
  5  uniform size 128k
  6  segment space management auto;
 Tablespace created.

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