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.
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.
相关考题：
In business, people have to deal in person__________ all kinds of people. You may have to use English when talking to different people within your company who don't speak your language; these may be colleagues or co-workers, superiors or subordinates-who may work with you in your own department, in another part of the building or in another branch. And you may also have to deal in English with people from__________ the organization: clients, suppliers, visitors and members of the public. Moreover, these people may be friends, acquaintances or strangers-people of your own age, or people who are__________ or older than you. The relationship you have with a person determines the kind of language you use. This relationship may even affect what you say when you meet people: for example, it's not__________ to say “Hi, how are you!” when meeting the Managing Director of a large company or to say “Good morning, it's a great pleasure to meet you” when being introduced to a person you'll be working closely with in the same team. Remember that people form. an impression of you from the way you speak and behave-not just from the__________ you do your work. People in different countries have different ideas of what sounds friendly, polite or sincere-and of what sounds rude or unfriendly! Good manners in your culture may be considered bad manners in another. Remember also that your body language, gestures and expression may tell people more about you than the words you use.
If you want to pay() something in another currency, you have to change your money into the other money. A、inB、backC、for
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.
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.
If you don't answer your friends' letters, it seems to say that ______.A. your friends is too busy to read a letterB. your friend hates to receive a letterC. your friend is not worthy of your letterD. your friend should not have written you a letter
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 workB．will not be able to find a suitable jobC．will regret not having worked harder at schoolD．may do well in his future work
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 studyB．useful for his future workC．a good way to earn extra moneyD．a good way to find out his weak points
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.
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.
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 inB．acquiring knowledge by working hard at schoolC．finding one's strong and weak pointsD．developing one's abilities useful in school work
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.
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 professionalbasketball 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.
共用题干第二篇Saving MoneyWhere 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.
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.
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 inB.acquiring knowledge by working hard atschoolC.finding one' s strong and weak pointsD.developing one' s abilities useful inschool work
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
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.
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.
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 populationB、use the Oracle Data Pump export and import utilityC、use the conventional path data load of SQL*Loader utilityD、use the direct path data load of Oracle export and import utility
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.
单选题Examine the statement:Create synonym emp for hr. employees;What happens when you issue the statement?（）AAn error is generated.BYou will have two identical tables in the HR schema with different names.CYou create a table called employees in the HR schema based on you EMP table.DYou create an alternative name for the employees table in the HR schema in your own schema.
单选题With all your brains you _____ the math test, but you failed. You were too careless.Ashould passBshould have passedCmust passDmust have passed
多选题In which three cases would you use the USING clause?（）AYou want to create a nonequijoin.BThe tables to be joined have multiple NULL columns.CThe tables to be joined have columns of the same name and different data types.DThe tables to be joined have columns with the same name and compatible data types.EYou want to use a NATURAL join, but you want to restrict the number of columns in the join condition.
多选题What are two reasons to create synonyms? （）AYou have too many tables.BYour tables are too long.CYour tables have difficult names.DYou want to work on your own tables.EYou want to use another schema's tables.FYou have too many columns in your tables.
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.AWhy did you ask?BHave you finished your dinner yet?CI have seen French movies many times.DI’d love to, but I have a lot of work to do.