Explanation:
The Workspace Manager in Oracle9i automatically installed with Oracle9i. It merges changes with parent rows or discards changes, provides mechanism to identify and resolve conflicts and allows for version enabling tables by use of a packaged procedure.
Incorrect Answers:
1: It does not automatically versions all tables.
Reference:
OCP Oracle9i Database: New Features for Administrators, Daniel Benjamin, p. 166-176
Chapter 3: Manageability Enhancements

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