[多选] Which two statements are correct regarding the Flashback Versions Query feature？（）

A . You can use this feature to identify the committed versions of the rows， but not the uncommitted versions.
B . You can use this feature to identify the versions of V$ views.
C . You can use this feature to identify the inserts， deletes， and updates performed on a particular row but not the data definition language （DDL） operations performed on the table.
D . You can use this feature for a table only if row movement is enabled for the table.
E . You can use this feature to identify the versions of external and fixed tables.

加强水利工程建设实施和质量安全管理的主要措施不包括（）完善水利工程建设实施方案。强化验收管理。加强质量管理。加强安全生产管理。如果想让界面上的一个按钮变为不可用，需要将它的（）属性设为False What is the result？（） a，b，c。 1，2，3。 a1b2c3。 a1 b2 c3。 Compilation fails.。 The code runs with no output.。 An exception is thrown at runtime.。 You are working on an instance started using the SPFILE. You want to move the Flash Recovery Areaof your database to a new location. You want the Flashback log files to be stored in the new location. Given below are the steps to accomplish the task in random order： 1）Shut down the instance. 2）Change the value of the DB_RECOVERY_FILE_DEST initialization parameter to a new value. 3）Execute the ALTER DATABASE FLASHBACK OFF command. 4）Start up the instance and mount the database. 5）Execute the ALTER DATABASE FLASHBACKON command. 6）Open the database. Select the correct order in which these tasks need to be performed. （） 2，1，4，3，5，6。 1，4，3，2，6，5。 1，4，2，6，3，5。 3，2，1，4，5，6。鱼类与其他动物的区别体现在哪些方面？ Which two statements are correct regarding the Flashback Versions Query feature？（）

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[多选] Which two statements are correct regarding the Flashback Versions Query feature？（）

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