QUESTION 67
On which two database objects can the VERSIONS clause of the Flashback Versions Query be used?
(Choose two.)
A. fixed tables
B. heap tables
C. external tables
D. temporary tables
E. Index-Organized Tables (IOTs)
Correct Answer: BE
在这两个数据库对象的Flashback Versions Query 使用的版本
B. heap tables 堆表
E. Index-Organized Tables (IOTs)索引组织表
原文地址：http://blog.csdn.net/xuejiayue1105/article/details/48826275
