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【多项选择题】

Which two statements are true when row archival management is enabled?（）

A、A. The ORA_ARCHIVE_STATE column visibility is controlled by the ROW ARCHIVAL VISIBILITY session parameter.

B、B. The ORA_ARCHIVE_STATE column is updated manually or by a program that could reference activity tracking columns, to indicate that a row is no longer considered active.

C、C. The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows only.

D、D. The ORA_ARCHIVE_STATE column is visible if referenced in the select list of a query.

E、E. The ORA_ARCHIVE_STATE column is updated automatically by the Oracle Server based on activity tracking columns, to Indicate that a row is no longer considered active.

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第1题
[] Given the following MPLS L2 configuration command: mpls-relay 10.1.1.1 4 Which two statements true? （）(Choose two.) Given the following MPLS L2 configuration command: mpls-relay 10.1.1.1 4 Which two statements true? （）(Choose two.)

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第2题
[] Refer to the exhibit. Which two statement s are correct?（） Refer to the exhibit. Which two statement s are correct?（）

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第3题
[多选题] Which two statements about views are true?（）

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第4题
[多选题] Which two statements about views are true? （）

A、A view can be created as read only.  B、A view can be created as a join on two or more tables.  C、A view cannot have an ORDER BY clause in the SELECT statement.  D、A view cannot be created with a GROUP BY clause in the SELECT statement.  E、A view must have aliases defined for the column names in the SELECT statement.  

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第5题
[多选题] Which two statements about views are true? （）

A、A view can be created as read only.  B、A view can be created as a join on two or more tables.  C、A view cannot have an ORDER BY clause in the SELECT statement.  D、A view cannot be created with a GROUP BY clause in the SELECT statement.  E、A view must have aliases defined for the column names in the SELECT statement.  

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第6题
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第7题
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第8题
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第9题
[] Consider the events_% tables in performance Schema. Which two methods will clear or reset the collected events in the tables?（） Consider the events_% tables in performance Schema. Which two methods will clear or reset the collected events in the tables?（）

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第10题
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