What are two reasons to create synonyms? ()A、You have too many tables.B、Your tables are too long.C、Your tables have difficult names.D、You want to work on your own tables.E、You want to use another schema's tables.F、You have too many columns in your tables.

题目

What are two reasons to create synonyms? ()

  • A、You have too many tables.
  • B、Your tables are too long.
  • C、Your tables have difficult names.
  • D、You want to work on your own tables.
  • E、You want to use another schema's tables.
  • F、You have too many columns in your tables.

相似考题
更多“What are two reasons to create synonyms? ()A、You have too many tables.B、Your tables are too long.C、Your tables have difficult names.D、You want to work on your own tables.E、You want to use another schema's tables.F、You have too many columns in your tables.”相关问题
  • 第1题:

    In which three cases would you use the USING clause?()

    A.You want to create a nonequijoin.

    B.The tables to be joined have multiple NULL columns.

    C.The tables to be joined have columns of the same name and different data types.

    D.The tables to be joined have columns with the same name and compatible data types.

    E.You want to use a NATURAL join, but you want to restrict the number of columns in the join condition.


    参考答案:C, D, E

  • 第2题:

    请阅读短文,完成此题。
    What should you think about in trying to find your career? You are probably better at some school subjects than others. These may show strengths that you can use in your work. A boy who is good at mathematics can use that in an engineering career. A girl who spells well and likes English may be good at office work. So it is important to know the subjects you do well in at school. On the other hand, you may not have any specially strong or weak subjects but your records show a general satisfactory standard. Although not all subjects can be used directly in a job, they may have indirect value. Knowledge of history is not required for most jobs but if history is one of your good subjects you will have learned to remember facts and details. This is an ability that can be useful in many jobs.
    Your school may have taught you skills, such as typing or technical drawing, which you can use in your work. You may be good at metal work or cookery and look for a job where you can improve these skills.
    If you have had a part-time job on Saturdays or in the summer, think what you gained from it. If nothing else, you may have learned how to get to work on time, to follow instructions and to get on with older workers. You may have learned to give correct change in a shop, for example. Just as important, you may become interested in a particular industry or career you see from the inside in apart-time job. Facing your weak points is also part of knowing yourself. You may be all thumbs when you handle tools; perhaps you are a poor speller or cannot add up a column of figures. It is bitter to face any weaknesses than to pretend they do not exist. Your school record, for instance, may not be too good, yet it is an important part of your background. You should not be apologetic about it but instead recognize that you will have a chance of a fresh start at work.

    According to the passage, if a student's school record is not good, he__________.
    查看材料

    A.will be a complete failure in his future work
    B.will not be able to find a suitable job
    C.will regret not having worked harder at school
    D.may do well in his future work

    答案:D
    解析:
    根据本文最后两句的句意“你在学校的记录并不是很好,但它仍然是你背景的一个重要部分。你不应对此感到抱歉。相反,你应该认识到在工作中你会有一个全新的开始。”可知,D项正确。

  • 第3题:

    请阅读短文,完成此题。
    What should you think about in trying to find your career? You are probably better at some school subjects than others. These may show strengths that you can use in your work. A boy who is good at mathematics can use that in an engineering career. A girl who spells well and likes English may be good at office work. So it is important to know the subjects you do well in at school. On the other hand, you may not have any specially strong or weak subjects but your records show a general satisfactory standard. Although not all subjects can be used directly in a job, they may have indirect value. Knowledge of history is not required for most jobs but if history is one of your good subjects you will have learned to remember facts and details. This is an ability that can be useful in many jobs.
    Your school may have taught you skills, such as typing or technical drawing, which you can use in your work. You may be good at metal work or cookery and look for a job where you can improve these skills.
    If you have had a part-time job on Saturdays or in the summer, think what you gained from it. If nothing else, you may have learned how to get to work on time, to follow instructions and to get on with older workers. You may have learned to give correct change in a shop, for example. Just as important, you may become interested in a particular industry or career you see from the inside in apart-time job. Facing your weak points is also part of knowing yourself. You may be all thumbs when you handle tools; perhaps you are a poor speller or cannot add up a column of figures. It is bitter to face any weaknesses than to pretend they do not exist. Your school record, for instance, may not be too good, yet it is an important part of your background. You should not be apologetic about it but instead recognize that you will have a chance of a fresh start at work.

    Which subject is supposed to have no direct value for job hunting?
    查看材料

    A.Mathematics.
    B.English,
    C.Technical Drawing.
    D.History.

    答案:D
    解析:
    本文第一段提到“A knowledge of history is not required for mostjobs…”,历史学对你所找的大多数工作可能不会有直接帮助。因此选D。

  • 第4题:

    请阅读短文,完成此题。
    What should you think about in trying to find your career? You are probably better at some school subjects than others. These may show strengths that you can use in your work. A boy who is good at mathematics can use that in an engineering career. A girl who spells well and likes English may be good at office work. So it is important to know the subjects you do well in at school. On the other hand, you may not have any specially strong or weak subjects but your records show a general satisfactory standard. Although not all subjects can be used directly in a job, they may have indirect value. Knowledge of history is not required for most jobs but if history is one of your good subjects you will have learned to remember facts and details. This is an ability that can be useful in many jobs.
    Your school may have taught you skills, such as typing or technical drawing, which you can use in your work. You may be good at metal work or cookery and look for a job where you can improve these skills.
    If you have had a part-time job on Saturdays or in the summer, think what you gained from it. If nothing else, you may have learned how to get to work on time, to follow instructions and to get on with older workers. You may have learned to give correct change in a shop, for example. Just as important, you may become interested in a particular industry or career you see from the inside in apart-time job. Facing your weak points is also part of knowing yourself. You may be all thumbs when you handle tools; perhaps you are a poor speller or cannot add up a column of figures. It is bitter to face any weaknesses than to pretend they do not exist. Your school record, for instance, may not be too good, yet it is an important part of your background. You should not be apologetic about it but instead recognize that you will have a chance of a fresh start at work.

    The whole passage centers on__________.
    查看材料

    A.choosing a career according to what one is skilled in
    B.acquiring knowledge by working hard at school
    C.finding one's strong and weak points
    D.developing one's abilities useful in school work

    答案:A
    解析:
    本文大意是你可以根据自己擅长的科目来选择你适合的职业,重要的是通过自己的表现来认识自己,而不是一味地将目光放在成绩是好还是坏上面。因此应选A。

  • 第5题:

    共用题干
    What Makes Me the Weight I Am?

    There's no easy answer to this question.Your genetic makeup,the physical traits that get passed down
    to you from your parents,plays a big part in determining your size and weight.
    __________(46)But if your parents are smaller than average,you may want to rethink that professional
    basketball career!
    The same goes for your body type.Have you ever heard someone say a person is"big boned"?It's a
    way of saying the person has a large frame,or skeleton.Big bones usually weigh more than small bones.
    ________ (47)
    Like your height or body type,your genes have a lot to say about what your weight will be.But that's
    only part of the story. Being overweight can run in someone's family,but it may not be because of their
    genes._________(48)And even though some kids gain weight more easily than others,when they eat right
    and exercise,most kids can be a healthy and happy weight that'5right for them.It's true一the way you live
    can change the way you look.
    How much you weigh is a balance between the calories you eat and the calories you use.
    _________(49)If you spend your free time watching TV,your body won't use as many calories as it
    would if you played basketball,skated,or went for a walk.If you are in balance,your weight will stay right
    for you as you grow.But if you eat more and exercise less,you may become overweight._________(50)

    __________(48)
    A:That's why it's possible for two kids with the same height but different weight,to both be the right weight.
    B:If you eat more calories than your body needs to use,you will gain too much weight.
    C:Poor eating and exerciSe habits also run in families and this may be the reason the members of a family areoverweight.
    D:However,many overweight people have difficulty reaching their healthy body weight.
    E:On the other hand,if you eat less and exercise more,you may lose weight.
    F:If both your parents are tall,there is a good chance you'11 be tall.

    答案:C
    解析:
    从文章内容我们注意到空格前后句中都出现了parents,因此判断空格处也谈及parents 的可能性很大,因此首先注意F。而且空格前句中的your size and weight呼应F中的tall,而空 格后句中的smaller也是在说身高的问题,因此判断F是答案。
    由此空前文内容可知,人的骨骼有大小之分,而大骨架通常比小骨架要重,因此才有可 能出现这种现象,即身高相同、体重不同的两个孩子体重均正常。也是讲述身高和体重的 关系。
    前一句讲,身体超重有可能在家族中代代相传,但又不一定是基因遗传所致,接下来的 句子就应说明其原因,即不良的饮食习惯与运动习惯也代代相传,而这可能正是家族成员普遍 超重的原因。
    我们注意到空格前后句中都出现了“calories(热量)",因此判断空格处出现该词的可能 性较大,因此首先重点注意B,空格后面的句子结构是"if you..., your body...",该结构也正好 与B呼应,形成排比结构,因此判断B是答案。
    前一句表明,如果一个人吃得多而运动得少,就有可能超重。“反之亦然”,即“吃得少 而运动得多,体重就会减轻”,这显然应该是下一句所表达的意思。第6部分:完形填空

  • 第6题:

    根据以下材料,回答
    What should you think about in trying tofind your career? You are probably better at some school subjects than others.These may show strengths that you can use in your work. A boy who is good atmathematics can use that in an engineering career. A girl who spells well andlikes English may be good at office work. So it is important to know thesubjects you do well in at school. On the other hand, you may not have anyspecially strong or weak subjects but your records show a general satisfactorystandard. Although not all subjects can be used directly in a job, they mayhave indirect value. A knowledge of history is not required for most jobs butif history is one of your good subjects you will have learned to remember factsand details. This is an ability that can be useful in many jobs.
    Your school may have taught you skills,such as typing or technical drawing, which you can use in your work. You may begood at metal work or cookery and look for a job where you can improve theseskills.
    If you have had a part-time job onSaturdays or in the summer, think what you gained from it. If nothing else, youmay have learned how to get to work on time, to follow instructions and to geton with older workers. You may have learned to give correct change in a shop,for example. Just as important, you may become interested in a particularindustry or career you see from the inside in a part-time job. Facing your weakpoints is also part of knowing yourself. You may be all thumbs when you handletools; perhaps you are a poor speller or cannot add up a column of figures. Itis bitter to face any weaknesses than to pretend they do not exist. Your schoolrecord, for instance, may not be too good, yet it is an important part of yourbackground. You should not be apologetic about it but instead recognize thatyou will have a chance of a fresh start at work.
    Which subject is supposed to have nodirect value for job hunting?

    A.Mathematics.
    B.English.
    C.Technical Drawing.
    D.History.

    答案:D
    解析:
    细节题。本文第一段提到“Aknowledge of history is not required for most jobs…”,历史知识对大多数工作可能不会有直接帮助。因此选D。

  • 第7题:

    What a beautiful dress you have on today!()

    • A、It is suitable for me.
    • B、No, it isn't.
    • C、You want to have  one, too?
    • D、Thank you

    正确答案:D

  • 第8题:

    You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data, you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database?()

    • A、use the external table population
    • B、use the Oracle Data Pump export and import utility
    • C、use the conventional path data load of SQL*Loader utility
    • D、use the direct path data load of Oracle export and import utility

    正确答案:C

  • 第9题:

    单选题
    Examine the statement:Create synonym emp for hr. employees;What happens when you issue the statement?()
    A

    An error is generated.

    B

    You will have two identical tables in the HR schema with different names.

    C

    You create a table called employees in the HR schema based on you EMP table.

    D

    You create an alternative name for the employees table in the HR schema in your own schema.


    正确答案: B
    解析: 暂无解析

  • 第10题:

    多选题
    In which three cases would you use the USING clause?()
    A

    You want to create a nonequijoin.

    B

    The tables to be joined have multiple NULL columns.

    C

    The tables to be joined have columns of the same name and different data types.

    D

    The tables to be joined have columns with the same name and compatible data types.

    E

    You want to use a NATURAL join, but you want to restrict the number of columns in the join condition.


    正确答案: C,B
    解析: 暂无解析

  • 第11题:

    多选题
    What are two reasons to create synonyms? ()
    A

    You have too many tables.

    B

    Your tables are too long.

    C

    Your tables have difficult names.

    D

    You want to work on your own tables.

    E

    You want to use another schema's tables.

    F

    You have too many columns in your tables.


    正确答案: D,A
    解析: 暂无解析

  • 第12题:

    单选题
    Tom: You need a break. Why don’t we go to a movie tonight?  Tony: ______  Tom: You work too hard. A break would do you good.
    A

    Why did you ask?

    B

    Have you finished your dinner yet?

    C

    I have seen French movies many times.

    D

    I’d love to, but I have a lot of work to do.


    正确答案: D
    解析:
    Tom约Tony去看电影,由Tom最后的回答可知,Tony是拒绝去看电影的

  • 第13题:

    If you don't answer your friends' letters, it seems to say that ______.

    A. your friends is too busy to read a letter

    B. your friend hates to receive a letter

    C. your friend is not worthy of your letter

    D. your friend should not have written you a letter


    正确答案:C

    40.答案为C。根据题干找到第二段最后一句,To a letter unanswered is like saying,“I don't think you are worth the time and effort it takes to write a letter.”作出该项选择。

  • 第14题:

    请阅读短文,完成此题。
    What should you think about in trying to find your career? You are probably better at some school subjects than others. These may show strengths that you can use in your work. A boy who is good at mathematics can use that in an engineering career. A girl who spells well and likes English may be good at office work. So it is important to know the subjects you do well in at school. On the other hand, you may not have any specially strong or weak subjects but your records show a general satisfactory standard. Although not all subjects can be used directly in a job, they may have indirect value. Knowledge of history is not required for most jobs but if history is one of your good subjects you will have learned to remember facts and details. This is an ability that can be useful in many jobs.
    Your school may have taught you skills, such as typing or technical drawing, which you can use in your work. You may be good at metal work or cookery and look for a job where you can improve these skills.
    If you have had a part-time job on Saturdays or in the summer, think what you gained from it. If nothing else, you may have learned how to get to work on time, to follow instructions and to get on with older workers. You may have learned to give correct change in a shop, for example. Just as important, you may become interested in a particular industry or career you see from the inside in apart-time job. Facing your weak points is also part of knowing yourself. You may be all thumbs when you handle tools; perhaps you are a poor speller or cannot add up a column of figures. It is bitter to face any weaknesses than to pretend they do not exist. Your school record, for instance, may not be too good, yet it is an important part of your background. You should not be apologetic about it but instead recognize that you will have a chance of a fresh start at work.

    The writer thinks that for a student to have a part-time job is probably__________.
    查看材料

    A.a waste of time that could have been spent on study
    B.useful for his future work
    C.a good way to earn extra money
    D.a good way to find out his weak points

    答案:B
    解析:
    本文的第三段说的是兼职工作能教给人哪些素质,以及它能让人认识到自己对什么职业感兴趣。因此B项最合适。

  • 第15题:

    What should you think about in trying to find your career? You are probably better at some school subjects than others. These may show strengths that you can use in your work. A boy who is good at mathematics can use that in an engineering career. A girl who spells well and likes English may be good at office work. So it is important to know the subjects you do well in at school. On the other hand, you may not have any specially strong or weak subjects but your records show a general satisfactory standard. Although not all subjects can be used directly in a job, they may have indirect value. A knowledge of history is not required for most jobs but if history is one of your good subjects you will have learned to remember facts and details. This is an ability that can be useful in many jobs.
    Your school may have taught you skills, such as typing or technical drawing, which you can use in your work. You may be good at metal work or cookery and look for a job where you can improve these skills.
    If you have had a part-time job on Saturdays or in the summer, think what you gained from it.
    If nothing else, you may have learned how to get to work on time, to follow instructions and to get on with older workers. You may have learned to give correct change in a shop, for example. Just as important, you may become interested in a particular industry or career you see from the inside in a part-time job. Facing your weak points is also part of knowing yourself. You may be all thumbs when you handle tools; perhaps you are a poor speller or cannot add up a column of figures. It is bitter to face any weaknesses than to pretend they do not exist. Your school record, for instance, may not be too good, yet it is an important part of your background. You should not be apologetic about it but instead recognize that you will have a chance of a fresh start at work.
    Which subject is supposed to have no direct value for job hunting?

    A.Mathematics.
    B.English.
    C.Technical Drawing.
    D.History.

    答案:D
    解析:
    本文第一段提到“A knowledge of history is not required for most jobs…”,历史学对你所找的大多数工作可能不会有直接帮助。因此选D。

  • 第16题:

    共用题干
    What Makes Me the Weight I Am?
    There's no easy answer to this question.Your genetic makeup,the physical traits that get passed down to you from your parents,plays a big part in determining your size and weight. ______(46)But if your parents are smaller than average,you may want to rethink that professional basketball career!
    The same goes for your body type.Have you ever heard someone say a person is"big boned"?It's a way of saying the person has a large frame,or skeleton.Big bones usually weigh more than small bones. ______(47) Like your height or body type,your genes have a lot to say about what your weight will be.But that's only part of the story.Being overweight can run in someone 's family , but it may not be because of their genes._______ (48 ) And even though some kids gain weight more easily than others , when they eat right and exercise , most kids can be a healthy and happy weight that's right for them.It's true the way you live can change the way you look.
    How much you weigh is a balance between the calories you eat and the calories you use. ______(49)If you spend your free time watching TV, your body won' t use as many calories as it would if you played basketball,skated,or went for a walk.If you are in balance,your weight will stay right for you as you grow.But if you eat more and exercise less,you may become overweight.______(50)

    ______(50)
    A:That's why it's possible for two kids with the same height but different weight,to both be the right weight.
    B:If you eat more calories than your body needs to use,you will gain too much weight.
    C:Poor eating and exercise habits also run in families and this may be the reason the members.of a family are overweight.
    D:However , many overweight people have difficulty reaching their healthy body weight.
    E:On the other hand, "you eat less and exercise more, you, may lose weight.
    F:If both your parents are tall,there is a good chance you'II be tall.

    答案:E
    解析:
    空格前后句中都出现了parents,因此判断空格处也谈及parents的可能性很大,因此首先注意F项。而且空格前句中的your size and weight呼应F项中的tall,而空格后句中的smal-ler也是在说身高的问题,因此判断F是答案。
    由此空前文内容可知,人的骨骼有大小之分,而大骨架通常比小骨架要重,因此才有可能出现这种现象,即身高相同、体重不同的两个孩子体重均正常。
    前一句讲,身体超重有可能在家族中代代相传,但又不一定是基因遗传所致,接下来的句子就应说明其原因,即不良的饮食与运动习惯也代代相传,而这可能正是家族成员普遍超重的原因。
    空格前后句中都出现了“calories(热量)”,因此判断空格处出现该词的可能性较大,因此首先重点注意B项。空格后面的句子结构是“if you… , your body…”,该结构也正好与B呼应,形成排比结构,因此判断B是答案。
    前一句表明,如果一个人吃得多而运动得少,就有可能超重。“反之亦然”,即“吃得少而运动得多,体重就会减轻”,这显然应该是下一句要表达的意思。

  • 第17题:

    共用题干
    第二篇

    Saving Money

    Where you save your money often depends on what you are saving for.If you are
    saving to buy a dictionary or to go to a concert,then probably keep your money somewhere
    in your room.
    If you are saving for a big purchase like a mountain bike or a school trip,where would
    you save your money?
    One place to save money is the bank.Putting your money in a savings account will
    help your money earn more money.If you put your money in a piggy bank(猪形储蓄
    罐),one year later you'll still have the same amount of money you put in.If you put
    your money in a savings account,one year later,you'll have more money than you put
    in.Why?
    When you keep your money in a bank,your money earns interest.Interest is the
    amount of money a bank pays you to use your money.The bank uses your money(and
    the money of other people,too)to loan money to people and businesses.
    The bank will send you a statement several times a year.A bank statement tells you
    how much money there is in your account.It also tells you how much interest you have
    earned.If you leave your money in the bank,you can watch it grow!
    Another way you can save money is to buy a certificate of deposit or CD.If you have
    some money that you don't need to use for a long time,this is a good way to make your
    money grow.
    You can buy a CD at a bank.You agree not to use the money for a certain period of
    time.That period might be from six months to five years.You can't touch your money
    during that time.If you do,you must pay a penalty,or fee.
    Since the bank is using your money for that time period,it will pay you interest.You
    will earn more interest with a CD than in a savings account.Can you guess why?It's
    because you promise to leave your money in the bank for a certain period of time.Banks
    pay different rates of interest.So,you may want to compare rates in newspaper ads before
    buying a CD.

    If you draw your money before it is due,
    A:you have to pay interest to the bank.
    B:you have to close your account.
    C:you have to open a new account.
    D:you have to pay a penalty or fee.

    答案:D
    解析:

  • 第18题:

    根据以下材料,回答
    What should you think about in trying tofind your career? You are probably better at some school subjects than others.These may show strengths that you can use in your work. A boy who is good atmathematics can use that in an engineering career. A girl who spells well andlikes English may be good at office work. So it is important to know thesubjects you do well in at school. On the other hand, you may not have anyspecially strong or weak subjects but your records show a general satisfactorystandard. Although not all subjects can be used directly in a job, they mayhave indirect value. A knowledge of history is not required for most jobs butif history is one of your good subjects you will have learned to remember factsand details. This is an ability that can be useful in many jobs.
    Your school may have taught you skills,such as typing or technical drawing, which you can use in your work. You may begood at metal work or cookery and look for a job where you can improve theseskills.
    If you have had a part-time job onSaturdays or in the summer, think what you gained from it. If nothing else, youmay have learned how to get to work on time, to follow instructions and to geton with older workers. You may have learned to give correct change in a shop,for example. Just as important, you may become interested in a particularindustry or career you see from the inside in a part-time job. Facing your weakpoints is also part of knowing yourself. You may be all thumbs when you handletools; perhaps you are a poor speller or cannot add up a column of figures. Itis bitter to face any weaknesses than to pretend they do not exist. Your schoolrecord, for instance, may not be too good, yet it is an important part of yourbackground. You should not be apologetic about it but instead recognize thatyou will have a chance of a fresh start at work.
    The whole passage centers on___________.

    A.choosing a career according to what oneis skilled in
    B.acquiring knowledge by working hard atschool
    C.finding one' s strong and weak points
    D.developing one' s abilities useful inschool work

    答案:A
    解析:
    主旨题。本文大意是你可以根据自己擅长的科目来选择你适合的职业.重要的是通过自己的表现来认识自己,而不是一味地将目光放在成绩是好还是坏上面。因此选A。

  • 第19题:

    What is necessary for your query on an existing view to execute successfully? ()

    • A、The underlying tables must have data.
    • B、You need SELECT privileges on the view.
    • C、The underlying tables must be in the same schema.
    • D、You need SELECT privileges only on the underlying tables.

    正确答案:B

  • 第20题:

    Examine the statement: Create synonym emp for hr. employees; What happens when you issue the statement? ()

    • A、An error is generated.
    • B、You will have two identical tables in the HR schema with different names.
    • C、You create a table called employees in the HR schema based on you EMP table.
    • D、You create an alternative name for the employees table in the HR schema in your own schema.

    正确答案:D

  • 第21题:

    单选题
    With all your brains you _____ the math test, but you failed. You were too careless.
    A

    should pass

    B

    should have passed

    C

    must pass

    D

    must have passed


    正确答案: A
    解析:
    句意:你这么聪明,本应该通过数学考试的,却失败了。你太粗心了。考查情态动词的用法。should+完成时表示应该做的事情而没有做。must+现在完成时表示对已发生的事情的一种肯定的猜测。should do应该做;must do必须做。

  • 第22题:

    填空题
    If your neighbors are too noisy, then you have a good reason to make your (complain) ____.

    正确答案: complaint
    解析:
    本题考查词性转换。句意:如果你的邻近太吵,那么你有充分的理由抱怨了。空格前是形容词性物主代词your,后面需要填入名词,这里使用complain的名词形式complaint,意为“抱怨,诉苦”。

  • 第23题:

    单选题
    You have made your clients() too long in the office.
    A

    wait

    B

    to wait

    C

    waited


    正确答案: B
    解析: 暂无解析