Explanation:
Tables participating in the join condition of the bitmap join index definition cannot be updated concurrently. Only one table can be updated concurrently by different transactions.
Incorrect Answers:
1: You cannot reference an IOT or a temporary table.
2: You cannot reference an IOT or a temporary table.
4: You can have more than one dimension table being part of the join condition of a bitmap join index definition. Bitmap join index optimizes the joining of two or MORE tables.
Reference:
OCP Oracle9i Database: New Features for Administrators, Daniel Benjamin, p. 142-143
Chapter 3: Manageability Enhancements
Oracle 9i New Features, Robert Freeman, p. 54-56
Chapter 2: Oracle9i Architecture Changes

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