View the Exhibit and examine the properties of the USERS tablespace.     You execute the following statement to shrink the TRANS table existing on the USERS tablespace：  SQL> ALTER TABLE trans SHRINK SPACE CASCADE；  Which objects would be affected by this command？（）

A

the TRANS table

B

the B*Tree indexes on the TRANS table

C

the materialized views log of the TRANS table

D

the materialized views based on the TRANS table

E

the large object （LOB） segments of the TRANS table

经典的古希腊柱式共有三种，它们分别是（）它们并称为“希腊三柱式”。

A、多利克式

B、爱奥尼亚式

C、围柱式

D、科林斯式

In your production database， you have observed that the database server performance degrades whenever there is a switch between the log groups. On further investigation， you find that the database is running in ARCHIVELOG mode and the archived log files are being written to the same disk that is used to store the redo log members.  Which two actions would you take to improve the performance of the database server？ （）

increase the size of the redo log buffer

increase the number of redo log groups

increase the number of log writer processes

increase the number of ARCn processes

change the appropriate LOG_ARCHIVE_DEST_n parameter to place the archived log files in a separate location

名片的标准尺寸为（）。

A、55mm*90mm

B、45mm*80mm

C、55mm*85mm

D、45mm*95mm

You defined the Recovery Manager （RMAN） retention policy to recovery window of 7 days by executing the following command：  RMAN> CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS；  When a backup is performed， what would be the status of this backup after seven days？（）

A、 The backup would be marked as invalid.

B、 The backup would be marked as obsolete.

C、 The backup would be removed from the media.

D、 The backup would be removed from the RMAN repository.

Photoshop通道的说法正确的是（）。

A、保存颜色信息

B、保存选区信息

C、对通道中的层能使用滤镜

D、通道中的对象可以复制和粘贴