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Oracle Tutorials - Built-in Internal User Accounts

By: FYIcenter.com

(Continued from previous topic...)

What Are Internal User Account?

An internal user account is a system predefined user account. Oracle 10g XE comes with a number of internal accounts:

  • SYSTEM - This is the user account that you log in with to perform all administrative functions other than starting up and shutting down the database. SYSTEM is automatically created when you install the server. It's password is the one you specified during the installation process.
  • SYS - This is another user account automatically created when you install the server. It's password is the one you specified during the installation process. All base tables and views for the database data dictionary are stored in the SYS schema. So avoid log in as user SYS as much as possible to reduce the risk of damaging those important data objects. User SYSTEM is preferred for all administrative tasks except starting up and shutting down.
  • Other internal user accounts - Other special user accounts are predefined for special purposes. For example, CTXSYS is a special user account used by the Oracle Text product.

(Continued on next topic...)

  1. What Is a User Account?
  2. What Is the Relation of a User Account and a Schema?
  3. What Is a User Role?
  4. What Are the System Predefined User Roles?
  5. What Are Internal User Account?
  6. How To Connect to the Server with User Account: SYS?
  7. How To Use Windows User to Connect to the Server?
  8. How To List All User Accounts?
  9. How To Create a New User Account?
  10. How To Change User Password?
  11. How To Delete a User Account?
  12. What Privilege Is Needed for a User to Connect to Oracle Server?
  13. How To Grant CREATE SESSION Privilege to a User?
  14. How To Revoke CREATE SESSION Privilege from a User?
  15. How To Lock and Unlock a User Account?
  16. What Privilege Is Needed for a User to Create Tables?
  17. How To Assign a Tablespace to a Users?
  18. What Privilege Is Needed for a User to Create Views?
  19. What Privilege Is Needed for a User to Create Indexes?
  20. What Privilege Is Needed for a User to Query Tables in Another Schema?
  21. What Privilege Is Needed for a User to Insert Rows to Tables in Another Schema?
  22. What Privilege Is Needed for a User to Delete Rows from Tables in Another Schema?
  23. How To Find Out What Privileges a User Currently Has?

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