One of the users in the PROD database， Adams， complains that his update on the table， TRANS， is taking an unusually long time to complete. You find that the table gets locked by another database user before Adams starts his transactions， and you are unabl

题目

One of the users in the PROD database， Adams， complains that his update on the table， TRANS， is taking an unusually long time to complete. You find that the table gets locked by another database user before Adams starts his transactions， and you are unable to contact the user holding the table lock. As Adams is updating some crucial rows in the table， he should get the highest priority. Which method would you use to overcome this problem？（）

A、execute the command， ALTER SESSION KILL ..， to kill the blocking session
B、execute the DBMS_SESSION.KILL_SESSION procedure to kill the blocking session
C、execute the command， ALTER SYSTEM KILL SESSION ..， to kill the blocking session
D、execute the command， ALTER SESSION UNLOCK ..， to release the lock for the blocking session
E、execute the command， ALTER SYSTEM UNLOCK SESSION ..， to release the lock for the blocking session

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相似问题和答案

第1题：

11 To determine whether or not the employee correctly understands the message, the project manager needs to:

A. reduce the filtering

B. eliminate barriers

C. obtain feedback

D. use more than one medium

E. use all of the above.

正确答案：C

第2题：

One of the features of language use that is of interest to pragmatists is its appropriacy in relation to those who use it and those they address to.()

参考答案：正确

第3题：

To determine whether or not the employee correctly understands the message, the project manager needs to:

A reduce the filtering

B eliminate barriers

C obtain feedback

D use more than one medium

E use all of the above.

正确答案：C

第4题：

Which three configuration tasks are required to successfully deploy NBAR to recognize TCP and UDP stateful protocols？（）

A、over leased lines， use the multilink ppp command to reduce latency and jitter， and to create Distributed Link Fragmentation and interleaving
B、use the service-policy command to attach a traffic flow to an interface on the router
C、use the ip rsvp bandwidth command to set a strict upper limit on the bandwidth NBAR uses， and to guarantee admission of any flows
D、use the policy-map command to define one or more QoS policies （such as shaping， policing， and so on） to apply to traffic defined by a class map
E、use the random-detect dscp command to modify the default minimum and maximum thresholds for the DSCP value
F、use the class-map command to define one or more traffic classes by specifying the criteria by which traffic is classified

正确答案:B,D,F

第5题：

How should you signal the crane operator to move slowly ________．

A.Use one hand to give any motion signal，and place the other hand motionless in front of the hand giving the motion signa

B.Extend arm with the thumb pointing up，and flex the fingers in and out for as long as the load movement is desired

C.First tap your elbow with one hand and then proceed to use regular signals

D.First tap the top of your head with your fist and then proceed to use regular signals

正确答案：A

第6题：

private means only for use of one particular person or group, not for everyone.()

此题为判断题(对，错)。

参考答案：对

第7题：

Refer to the diagram. All hosts have connectivity with one another. Which statements describe the addressing scheme that is in use in the network? ()

A.The subnet mask in use is 255.255.255.192.

B.The subnet mask in use is 255.255.255.128.

C.The IP address 172.16.1.25 can be assigned to hosts in VLAN1

D.The IP address 172.16.1.205 can be assigned to hosts in VLAN1

E.The LAN interface of the router is configured with one IP address.

F.The LAN interface of the router is configured with multiple IP addresses.

参考答案：B, C, F

第8题：

129 To determine whether or not the employee correctly understands the message, the project manager needs to:

A. reduce the filtering

B. eliminate barriers

C. obtain feedback

D. use more than one medium

E. use all of the above

正确答案：C

第9题：

In speaking activities, a speaker often tries to avoid using a difficult word or structure and chooses to use a simpler one. What learning strategy does the speaker use?

A．Simplification
B．Generalization
C．Paraphrase.
D．Avoidance.

答案：D

解析：

考查口语交际策。在E1语活动中，说话者经常避免使用艰涩的词汇或结构，而使用比较简单的词汇或结构，这种交际策叫作迂回策(Avoidance)。故选D。

第10题：

You want the size of the tablespace to increase when it is full. Which option would you use？（）

A、use automatic extent allocation
B、disable threshold for the tablespace
C、use freelists to manage the free space
D、use automatic segment space management
E、create the tablespace as a bigfile tablespace
F、use the RESIZE clause while creating the tablespace
G、enable AUTOEXTEND for at least one of the data files in the tablespace

正确答案:G

One of the use

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