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问题:

[单选] In which scenario will you use the Flashback Version Query feature?()

A .  when you want to restore a table that has been dropped from the Recycle Bin
B .  when you want to identify the transaction ID of the transaction that deleted some important records from a table
C .  when you want to recover the schema of a dropped user
D . when you want to restore a dropped tablespace

《水库大坝安全管理条例》(国务院令第78号)是国务院在()年发布的? 2000。 1995。 1992。 1991。 View the Exhibit and examine the output of the query in different times when the following command runs in an RMAN sessions: RMAN> BACKUP DATABASE FILESPERSET 2; The database has seven data files. Why is the %_COMPLETE refreshed to 13.59 in the third output after reaching 88.77?() Because the progress is reported for each data file。 Because the progress is reported for each backup set。 Because other RMAN sessions have issued the same BACKUP command。 Because new data files have been added to the database while the RMAN backup is in progre。 按投标图纸计量是指根据施工图对完成的工程量进行计算,以确定支付工程量的方法。 Which two statements are true regarding the MRKT tablespace() No more data files can be added to the tablespace.。 Segment space is managed by free lists in the tablespace.。 A user created without being assigned a default tablespace uses this tablespace.。 The tablespace can be dropped with the current setting with segments present in it.。 异步电动机的工作方式(定额)有连续、短时和()等三种。 长时。 断续。 特长时。 特短时。 In which scenario will you use the Flashback Version Query feature?()
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