In Recovery Manager (RMAN), you are taking image copies of the datafiles of your production database and rolling them forward as regular intervals. You attempt to restart your database instance after a regular maintenance task, you realize that one of the
题目
In Recovery Manager (RMAN), you are taking image copies of the datafiles of your production database and rolling them forward as regular intervals. You attempt to restart your database instance after a regular maintenance task, you realize that one of the data files that belongs to the USERS tablespace is damaged and you need to recover the datafile by using the image copy. You could perform the following steps to accomplish this:1) Mount the database2) Take the data file offline3) Bring the data file online4) Use the RMAN SWITCH TO command to switch the image copy5) Apply the archived redo logs6) Open the database7) Use the RMAN RESTORE TO command to switch to the image copyWhich two options illustrate the correct sequence of steps that you could follow?（） (Choose two.)
A. 2, 6, 4, 5, 3
B. 1, 2, 4, 5, 3, 6
C. 1, 2, 4, 6, 3
D. 1, 2, 7, 5, 3, 6
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第1题：
Merry Christmas, George! Here is a card for ________, with ________ best withes.A.you…your
B.you…our
C.us…our
D.us…your
参考答案：B
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第2题：
Throughout the buying process, various factors may influence a buyer's purchase decision. An awareness of these factors and consumer preferences enables companies to appeal to the group most likely to respond to its products and services. Some of these factors include the following.
CULTURE. The culture and subcultures we belong to shape our values, attitudes, and beliefs, and they influence the way we respond to the world around us. Understanding culture is therefore an increasingly important step in international business and in marketing in diverse countries such as the United States.
SOCIAL CLASS. In addition to being members of a particular culture, we also belong to a certain social class — upper, middle, lower, or somewhere in between. In general, members of various classes enjoy different activities, buy different goods, shop in different places, and react to different media.
REFERENCE GROUP. A reference group consists of people who have a good deal in common — family members, friends, co-workers, fellow students, teenagers, sports enthusiasts, music lovers, computer buffs. We are all members of many such reference groups, and we use the opinions of the appropriate group as a benchmark when we buy certain types of products or services. For example, shopping malls are today losing what has long been their most faithful audience — teens. That's because Generation Xers (those born between 1965 and 1978) think that malls are for parents and that malls have too many rules. So some retailers like Urban Outfitters and Tower Records refuse to open stores in most malls.
SELF-IMAGE. The tendency to believe that "you are what you buy" is especially prevalent among young people. Marketers capitalize on our need to express our identity through our purchases by emphasizing the image value of products and services. That's why professional athletes and musicians are frequently used as product endorsers — so that we incorporate part of their public image into our own self-image. After all, doesn't everyone want to "be like Mike Jordan"?
SITUATIONAL FACTORS. These factors include events or circumstances occurring in our lives that are more circumstantial in nature. For example, you have a coupon, you're in a hurry, it's Valentines' Day, it's your birthday, you're in a bad mood, and so on. Situational factors influence our buying patterns.
1. Who will be most interested in this article?
：A.Wholesalers.
B.Marketing managers.
C.Economists.
D.Retailers.
正确答案：B
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第3题：
（ ） – Is Miss White __________ English teacher, Maria?
– No, she teaches __________ geography.
A．your；my
B．you；mine
C．you；us
D．your；us
正确答案：D
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第4题：
YoudecidetoenableFlashbackDatabaseinyourOracle10gdatabasesothatfuturerecoverieswilltakelesstimethantraditionalrecoveries.WhichofthefollowingparametersmustbeincludedinyourinitializationparameterfilebeforeenablingFlashbackDatabase？（）
A.DB_RECOVERY_FILE_DESTonly
B.DB_FLASHBACK_RETENTION_TARGETonly
C.DB_RECOVERY_FILE_DEST_SIZEandDB_RECOVERY_FILE_DESTonly
D.DB_RECOVERY_FILE_DESTandDB_FLASHBACK_RETENTION_TARGETonly
E.DB_RECOVERY_FILE_DEST_SIZE，DB_RECOVERY_FILE_DESTand
F.DB_FLASHBACK_RETENTION_TARGET
参考答案：C
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第5题：
在对RMAN用户进行授权时,不需要授予的权限是()。A.CONNECT
B.RECOVERY_CATALOG_OWNER
C.DBA
D.RESOURCE
参考答案：C
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第6题：
已知基类Employee只有一个构造函数，其定义如下： Employee::Employee（int n):id（n){ } Manager是Employee的派生类，则下列对Manager的构造函数的定义中，正确的是？
A．Manager::Manager(int n):id(n){}
B．Manager::Manager(int n){id=n;}
C．Manager::Manager(int n):Employee(n){}
D．Manager::Manager(int n){Employee(n);}
Manger::manger(int n):Employee(n){}