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

A、Apply fine-grained auditing.

B、Implement value-based auditing.

C、Impose standard database auditing to auditobject privileges.

D、Impose standard databaseauditing to audit SQL statements.

What is the binary equivalent of 242.168.94.124?（）

A、11110011 10101000 01011110 01111100

B、11110010 10101010 01011110 01111100

C、11110010 10101000 01011110 01111100

D、11110010 10101000 01010110 01111100

EXHIBIT, Emp Table Exhibit A Exhibit B Examine the data from the EMP table. Evaluate this SQL statement: SELECT * FROM emp WHERE emp _ id = 3); WHERE commission = (SELECT commission FROM emp What is the result when the query is executed?（）

A、 Exhibit A

B、 Exhibit B

C、 The query returns no rows

D、 The query fails because the outer query is retrieving more than one column

E、 The query fails because both the inner and outer queries are retrieving data from the same table.

实例初始化块是在该类的构造方法之后执行的。

A、对

B、错

A user’s laptop does not produce sound even though the volume settings are at maximum in theoperating system. Which of the following would MOST likely resolve this issue?（）

A、A new sound card

B、A new speaker

C、A BIOS update

D、A hardware volume control

Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace（）

The retention period to support flashback

The expected length of the longest-running query

The number of undo tablespaces in the database

The size of the Flash Recovery Area for the database instance