Having a single tablespace against several tablespace?

My version of the database is

Oracle Database 11 g Enterprise Edition Release 11.1.0.7.0 - 64 bit Production
PL/SQL Release 11.1.0.7.0 - Production
CORE Production 11.1.0.7.0
AMT for Linux: Version 11.1.0.7.0 - Production
NLSRTL Version 11.1.0.7.0 - Production


My version of the os is

Linux 2.6.18 - 128.7.1.el5 #1 SMP damdat01 kills Aug 19 04:00:49 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux

My database is the system of the PLO.

My question is what are the advantages and disadvantages of having a single tablespace against several tablespace?


Easy to maintain when you have only tablespace. but hard to follow questions of IO.

Any other entry? Please let me know.

Finally:

It is good to have more tablesapce than a big tablespace.
Above mention, big tablespace (all applications work according to this tablespace) so corrupted it will cause offline ask and time restore will take more time.
It is easy to restore single tablespace (more than a big tablespace) example you gave, apt, Arch., idx, corrupt aud tablespaces, and if one of them is East use rman or managed user restore-restore. Other words, if not all, you mentioned tablespace that you will be asked time and so on.

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