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Newbie ques: Oracle Instance

From: leostar10 <leostar10_at_gmail.com>
Date: 1 Aug 2005 09:05:42 -0700
Message-ID: <1122912342.304925.36260@g44g2000cwa.googlegroups.com>


Hi,

           Iam new to Oracle and would appreciate any clarifications on these doubts I have:

  1. Iam reading the documentation and it says that Oracle DB Server is basically Oracle Database and Oracle instance. What I understand is there is one Oracle DB and there can be 1 or more Oracle instances. So my question is, when can there be more than one Oracle instances?
  2. Is there always a one-to-one relationship between a schema name and the username?
  3. Can the actual data corresponding to a Schema be in one datafile or it can be shared in more than one datafiles and also can a datafile contain the information pertaining to more than one schemas?

Thanks! Received on Mon Aug 01 2005 - 11:05:42 CDT

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