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SYS vs. SYSTEM

From: Randy Nichols <randynichols_at_yahoo.com>
Date: Wed, 06 Aug 2003 15:36:40 GMT
Message-ID: <cg9Ya.176$M6.15351@newsread1.prod.itd.earthlink.net>

  1. Can someone clarify the difference between logging in as SYS and SYSTEM via SQL*PLUS?
  2. If in both cases you log in as SYSDBA (via SQL*PLUS), is there a difference?
  3. What does it mean in each case if you **don't** specify "AS SYSDBA" when logging in via SQL*PLUS. Don't they both belong to SYSDBA role anyway?
  4. Why does Enterprise Manager Console, in some of my installations (can't remember, perhaps 8i?), not let me specify "AS SYSDBA" when logging in as SYSTEM, but only recognizes "AS NORMAL"?
  5. Why with Oracle 9.2.0.3 am I able to log in as "SYS/CHANGE_ON_INSTALL_at_mydatabase AS SYSDBA" when the database setup required me to change the password for SYS and SYSTEM? It also allows me to log in as SYSTEM/MANAGER as well, although I supplied a new password during database creation. These are fresh databases newly created under 9.2.0.3, not migrations.

I welcome all thoughts and discussion on this.

-Randy Nichols Received on Wed Aug 06 2003 - 10:36:40 CDT

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