單項(xiàng)選擇題

In your production database， data manipulation language （DML） operations are executed on the SALES table.You have noticed some dubious values in the SALES table during the last few days. You are able to track
users， actions taken， and the time of the action for this particular period but the changes in data are not tracked.You decide to keep track of both the old data and new data in the table along with the user information.
Whataction would you take to achieve this task（）

A.Apply fine-grained auditing.
B.Implement value-based auditing.
C.Impose standard database auditing to audit object privileges.
D.Impose standard database auditing to audit SQL statements.

你可能感興趣的試題

單項(xiàng)選擇題

The job to gather optimizer statistics for objects runs as part of the automatic maintenance window in yourdatabase instance. At a certain point of time， the maintenance window closes before the statistics are gatheredfor all objects.
Which statement is true in this scenario（）

A.The statistics collection continues until all objects are processed.
B.The job is terminated and the statistics collected are restored to a time before the job started.
C.This produces an error and the statistics collected are locked until the next time that the maintenancewindow is opened.
D.The job is terminated and the statistics for the remaining objects are collected the next time that themaintenance window is opened

多項(xiàng)選擇題

Which two statements are true regarding B-tree indexs（）

A.The leaf blocks in the index are doubly linked.
B.The leaf node stores a bitmap for each key value.
C.The rows with NULL value in key columns also have entries in the index.
D.The deletion of a row from the table causes a logical deletion in index leaf block and the space becomesavailable for the new leaf entry

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你可能感興趣的試題

The job to gather optimizer statistics for objects runs as part of the automatic maintenance window in yourdatabase instance. At a certain point of time， the maintenance window closes before the statistics are gatheredfor all objects. Which statement is true in this scenario（）

Which two statements are true regarding B-tree indexs（）

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The job to gather optimizer statistics for objects runs as part of the automatic maintenance window in yourdatabase instance. At a certain point of time， the maintenance window closes before the statistics are gatheredfor all objects.
Which statement is true in this scenario（）