多选题On which two database objects can the VERSIONS clause of the Flashback Versions Query be used？（）Afixed tablesBheap tablesCexternal tablesDtemporary tablesEIndex-Organized Tables （IOTs）
多选题
On which two database objects can the VERSIONS clause of the Flashback Versions Query be used？（）
A
fixed tables
B
heap tables
C
external tables
D
temporary tables
E
Index-Organized Tables （IOTs）
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