分享
 
 
 

Oracle DBA数据库结构试题精选(1)

王朝oracle·作者佚名  2008-05-31
窄屏简体版  字體: |||超大  

Q. 1 : Physical Disk Resources in an Oracle Database are

1. Control Files

2. Redo Log Files

3. Data Files

4. All of the above

4

Q. 2 : What is a Schema

1. A Physical Organization of Objects in the Database

2. A Logical Organization of Objects in the Database

3. A Scheme Of Indexing

4. None of the above

2

Q. 3 : An Oracle Instance is

1. Oracle Memory StrUCtures

2. Oracle I/O Structures

3. Oracle Background Processes

4. All of the Above

4

Q. 4 : The SGA Consists of the Following Items

1. Buffer Cache

2. Shared Pool

3. Redo Log Buffer

4. All of the Above

4

Q. 5 : The area that stores the blocks recently used by SQL statements is called

1. Shared Pool

2. Buffer Cache

3. PGA

4. UGA

2

Q. 6 : Which of the following is not a Background Server Process in an Oracle Server

1. DB Writer

2. DB Reader

3. Log Writer

4. SMON

2

Q. 7 : Which of the following is a valid background server processes in Oracle

1. ARCHiver

2. LGWR ( Log Writer )

3. DBWR ( Dbwriter )

4. All of the above

4

Q. 8 : The process that writes the modified blocks to the data files is

1. DBWR

2. LGWR

3. PMON

4. SMON

1 : Oracle does not modify the data in data file. Once the server process makes a change in the Memory, DBWR writes the modified blocks back to disk.

Q. 9 : The process that records information about the changes made by all transactions that commit is

1. DBWR

2. SMON

3. CKPT

4. None of the above

4 : LGWR process records the information about changes to database

Q. 10 : Oracle does not consider a transaction committed until

1. The Data is written back to the disk by DBWR

2. The LGWR successfully writes the changes to redo

3. PMON Process commits the process changes

4. SMON Process Writes the data

Q. 11 : The process that performs internal operations like Tablespace Coalescing is

1. PMON

2. SMON

3. DBWR

4. ARCH

2

Q. 12 : The process that manages the connectivity of user sessions is

1. PMON

2. SMON

3. SERV

4. NET8

1

Q. 13 : The ARCH process is enabled when the database runs in a

1. PARALLEL Mode

2. ARCHIVE LOG Mode

3. NOARCHIVELOG Mode

4. None of the above

2

Q. 14 : What performs the Check Point in the absence of a CKPT Process

1. DBWR

2. LGWR

3. PMON

4. SMON

2 : At a check point dbwr writes all data to data files from memory. At this time the datafile headers have to be updated by LGWR in the absence of a CKPT process

Q. 15 : If an application requests data that is already in the memory,

it is referred to as a

1. Cache Read

2. Cache Hit

3. Cache Miss

4. Cache Latch

2

Q. 16 : If the data requested is in the memory but had to be reloaded due to aging, it is referred to as

1. CACHE HIT

2. CACHE REFRESH

3. CACHE RELOAD

4. None of the above

3

Q. 17 : If the data requested is not in the servers memory, it is referred to as

1. CACHE DISK

2. CACHE MISS

3. CACHE READ

4. None of the above

2

Q. 18 : You can Dynamically resize the following Parameters in the SGA

1. Buffer Cache

2. Library Cache

3. Dictionary Cache

4. None of the above

4

Q. 19 : The memory area that stores the parsed representation of most recently executed Statements is

1. BUFFER CACHE

2. LIBRARY CACHE

3. DICTIONARY CACHE

4. NONE OF THE ABOVE

2

Q. 20 : The Most recently used data dictionary information is stored in

1. DATA DICTIONARY CACHE

2. SHARED CACHE

3. BUFFER CACHE

4. NONE OF THE ABOVE

Q. 21 : The server memory that holds session-specific information is referred to as

1. Program or Private Global Area

2. Session Global Area

3. Temp Space

4. None of the above

1

Q. 22 : The area of memory used by the server as temporary area for sorting is called

1. TEMP SPACE

2. SORT AREA

3. REDO BUFFER

4. SORT BUFFER

2

Q. 23 : The fundamental unit of storage in a data file is

1. BYTE

2. BIT

3. BLOCK

4. None of the above

3

Q. 24 : The process that resolves the in-douBT transactions in a distributed environment is

1. ARCH

2. PROC

3. RECO

4. NONE OF THE ABOVE

3

Q. 25 : The size of each buffer in the database is set using this parameter

1. DB_BLOCK_BUFFERS

2. DB_BLOCK_SIZE

3. DB_BYTE_SIZE

4. NONE OF THE ABOVE

2

Q. 26 : The number of Block Buffers in the database is set in the init.ora using

1. DB_BLOCK_SIZE

2. DB_BLOCK_BUFFERS

3. DB_BUFFER_CACHE

4. NONE OF THE ABOVE

2

Q. 27 : The Parameter that sets the size of the shared SQL Area is

1. SHARED_SQL_AREA

2. SHARED_POOL_SIZE

3. SHARED_CACHE_SIZE

4. NONE OF THE ABOVE

right"(出处:清风软件下载学院)

 
 
 
免责声明:本文为网络用户发布,其观点仅代表作者个人观点,与本站无关,本站仅提供信息存储服务。文中陈述内容未经本站证实,其真实性、完整性、及时性本站不作任何保证或承诺,请读者仅作参考,并请自行核实相关内容。
2023年上半年GDP全球前十五强
 百态   2023-10-24
美众议院议长启动对拜登的弹劾调查
 百态   2023-09-13
上海、济南、武汉等多地出现不明坠落物
 探索   2023-09-06
印度或要将国名改为“巴拉特”
 百态   2023-09-06
男子为女友送行,买票不登机被捕
 百态   2023-08-20
手机地震预警功能怎么开?
 干货   2023-08-06
女子4年卖2套房花700多万做美容:不但没变美脸,面部还出现变形
 百态   2023-08-04
住户一楼被水淹 还冲来8头猪
 百态   2023-07-31
女子体内爬出大量瓜子状活虫
 百态   2023-07-25
地球连续35年收到神秘规律性信号,网友:不要回答!
 探索   2023-07-21
全球镓价格本周大涨27%
 探索   2023-07-09
钱都流向了那些不缺钱的人,苦都留给了能吃苦的人
 探索   2023-07-02
倩女手游刀客魅者强控制(强混乱强眩晕强睡眠)和对应控制抗性的关系
 百态   2020-08-20
美国5月9日最新疫情:美国确诊人数突破131万
 百态   2020-05-09
荷兰政府宣布将集体辞职
 干货   2020-04-30
倩女幽魂手游师徒任务情义春秋猜成语答案逍遥观:鹏程万里
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案神机营:射石饮羽
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案昆仑山:拔刀相助
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案天工阁:鬼斧神工
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案丝路古道:单枪匹马
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案镇郊荒野:与虎谋皮
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案镇郊荒野:李代桃僵
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案镇郊荒野:指鹿为马
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案金陵:小鸟依人
 干货   2019-11-12
倩女幽魂手游师徒任务情义春秋猜成语答案金陵:千金买邻
 干货   2019-11-12
 
推荐阅读
 
 
 
>>返回首頁<<
 
靜靜地坐在廢墟上,四周的荒凉一望無際,忽然覺得,淒涼也很美
© 2005- 王朝網路 版權所有