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ADC（automatic data collection）是（）
- A、自动信息收集
- B、自动数据采集
- C、自动数据处理
- D、自动信息控制
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单选题Automatic data conversion will occur if which of the following happens？（）A
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It collects data from SGA, analyzes it, and provides a report.C
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多选题Which two are the prerequisites to enable Flashback Data Archive?（） (Choose two.)ADatabase must be running in archivelog mode.BAutomatic undo management must be enabled.CUndo retention guarantee must be enabled.DThe tablespace on which the Flashback Data Archive is created must be managed with Automatic Segment Space Management (ASSM).
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单选题You need to maintain a record of all transactions on some tables for at least three years. Automatic undo management is enabled for the database. What must you do accomplish this task?（）A
Enable supplemental logging for the database.B
Specify undo retention guarantee for the databaseC
Create Flashback Data Archive in the tablespace where the tables are stored.D
Create Flashback Data Archive and enable Flashback Data Archive for specific tables
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单选题Automatic data conversion will occur if which of the following happens?（）A
The client and server have different NLS_LANGUAGE settings.B
The client and server character sets are not the same, and the database character set is not a strict superset of the client character set.C
The client and server are in different time zones.D
The client requests automatic data conversion.E
The AUTO_CONVERT initialization parameter is set to TRUE.
考题
单选题ADC（automatic data collection）是（）A
自动信息收集B
自动数据采集C
自动数据处理D
自动信息控制
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