sys file

[big]

Hi,

On 19 c

I see these files:

sys1.dbf

sys10.dbf

sys11.dbf

sys2.dbf

sys3.dbf

sys4.dbf

sys5.dbf

sys6.dbf

sys7.dbf

sys8.dbf

sys9.dbf

sysaux01.dbf

sysaux02.dbf

system12.dbf

system13.dbf



What are the sysn.dbf?

What is the difference between systemNN.dbf and sysM.dbf?

Thanks.

[ErmanArslansOracleBlog]

What is the name of the tablespace that they belong to?