单选题You are maintaining a database of credit card transactions. You want the data to be returned automatically in the chronological order of the credit card numbers without using the ORDER BY clause in the query. Which type of cluster will you use to obtain the desired result？（）A Hash clusterB Index clusterC Sorted hash clusterD Real Application cluster
单选题
You are maintaining a database of credit card transactions. You want the data to be returned automatically in the chronological order of the credit card numbers without using the ORDER BY clause in the query. Which type of cluster will you use to obtain the desired result？（）
A
Hash cluster
B
Index cluster
C
Sorted hash cluster
D
Real Application cluster
参考解析
解析：
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相关考题：
—May I use my credit card here? — A. You can’t.B. No one uses it.C. am afraid you can’t.D. Who told you?
SECTION A MINI-LECTUREDirections: In this section you sill hear a mini-lecture. You will hear the lecture ONCE ONLY. While listening, take notes on the important points. Your notes will not be marked, but you will need them to complete a gap-filling task after the mini-lecture. When the lecture is over, you will be given two minutes to check your notes, and another ten minutes to complete the gap-filling task on ANSWER SHEET ONE. Use the blank sheet for note-taking.听力原文： Good morning, everyone. First about your second assignment. I'd like to remind you that your second assignment should be in by next Fri day. You can either put it in my pigeon hole, or leave it with the Department's secretary. Now, let's get down to the lecture.Today, the lecture is on credit, er, or to be more specific, on credit cards. I'm sure you must have heard of some credit cards, like the VI SA card, which is an internationally used card, or the Great Wall card issued by the Bank of China, In order to give a better understanding, we'll discuss it in some detail.Many businesses, such as department stores, restaurants, hotels and airline companies, use a credit system for selling their products and services. In a credit system, the seller agrees to sell something to the buyer without immediately receiving cash. He receives the goods or ser vices immediately and promises to pay for them later. This buy-now-pay later credit system is quite old.There are two types of credit cards. One type is issued directly by a store to a customer. Many large department stores issue credit cards to their customers. The store credit card can be used to make purchases only at a particular store. For example, if you have a credit card from Store A, then you can only buy things in that store. Other stores would not accept it. The other kind of credit card is issued by a credit company. Credit cards from credit companies can be used to buy things almost anywhere. If you have a major credit card, you can buy airplane tickets, stay at hotels and eat at restaurant with it. Most large credit companies are connected to large banks. So if you want a credit card from a credit company, you generally have to make an application at a bank. After an applicant receives a credit card, he or she can make purchases using thecard.The credit company sends the customer a statement of purchases at the end of each month. Generally the customer has to pay 25--50% of their credit hill every month. The customer pays directly to the credit company and the credit company pays to the store or hotel or restaurant.There are some advantages and some disadvantages to using credit cards. The biggest advantage for the consumer is expressed by the phrase "buy now, pay later". This means that the consumer can purchase what he wants when he wants it. There is no need to save up money in advance. Another advantage of having a credit card is that it protects the owner, ff a credit card is lost or stolen, the owner only has to call the credit company and the credit company will stop the credit card number. No one else can use it. So the owner doesn't have to worry about losing the card. Another advantage of the credit card system is that the consumer receives a record of his or her purchases. Every month the credit customer receives a bill. The bill has a list of all purchases from that month. This makes it easier to remember when and where purchases are made. And another advantage is that credit cards can be used when something unexpected happens. Many kinds of professional people—plumbers, taxidrivers, doctors and dentists—will accept credit cards in an emergency. This is very important if you don't have any cash with you.However, having said all that, using credit cards has one major disadvantage. That is, consumers tend to overspend their money. They spend more than they make. If a consumer buys a lot of th
阅读短文，判断句子正误，正确的写T，错误的写F。Save Money by Understanding Why You Spend ItTo save money, you simply need to spend less than you earn. It is easy to say, but why is it so difficult to do? To answer this question, you need to study the factors that keep you spending all the time.Easy access to creditFor most people, this is the biggest reason for overspending. People can easily get a credit card, simply by filling out a short form. in a bank or jumping on their website. They can borrow money from banks to go shopping, even buy cars or houses. When you arent physically handing someone money or a check for a purchase, you will feel you are spending free money or you arent spending money at all. Try using cash to get your spending under control.Misusing credit cardsA credit card is an interest free short-term loan. When used as planned, this can be a powerful financial tool. The problem is when you begin to let the balance continue from month to month. If you make a $200 purchase on your credit card and find out that at the end of the month you cant afford to repay the full amount, this is when the high interest rates on the cards really begin to hurt you. That is no way of saving money.Giving in to temptationWe all need to enjoy life, but dont waste your financial future for a few guilty pleasures today if they arent in your budget. When you know that you cant afford an activity, dont give in. Instead, invite your friends over for a home dinner party, game night, or some other activities where you can still enjoy time together, but without breaking your budget.( ) 26. For most people, easy access to credit is the biggest reason for overspending.( ) 27. Using credit card is an effective way to get your spending under control.( ) 28. You have to pay for the credit card loans by the end of each month.( ) 29. Using a credit card to pay is spending free money.( ) 30. Always pay attention to your budget while spending.
听力原文：If you lose this credit card, you have to notify us as soon as possible, so that we can put a stop on your lost card.(3)A．We are the credit card holders.B．We are the bank who can encash the card.C．We are the credit card company.D．We stopped your card losing.
短文理解听力原文： In the United States, even if you decide that you do not want to borrow in order to go on vacation, it is still a good idea for you to have several major credit cards. These provide positive identification when renting an automobile and can be used for the deposit. The credit card receipts will serve as an accurate record of all hotel, plane, train, and restaurant expenses. The use of credit cards avoids the necessity of carrying large amount of cash, purchasing large amounts of traveler's cheeks and keeping track of them, or attempting to use personal checks in places other than your own locality.Many major credit cards provide an instant cash service in case you run out of money. American Express, for example, has set up machines in major airports in which you can purchase traveler's checks using your American Express card.21. The credit card receipts will serve as accurate record for all but which of the following choices?22.Which of the following is not true about the use of credit card?23.Concerning the advantages of credit cards, which of the following is true?24.According to the passage, which card has set up machines in major airports?(21)A．hotel expensesB．stock exchangeC．plane expensesD．restaurant expenses
听力原文：M: I want to apply for a credit card. What are the common credit cards?W: Master Card, Visa, Discover, and American Express. Apply for the ones without annual fees. Some credit cards even pay you back about 1% - 2% of what you spend.Q: Which type of credit card is not mentioned in the conversation?(19)A．Smart Card.B．Master Card.C．Visa Card.D．American Express.
Questions 189~192 refer to the following article.Our Visa and Personal Credit Cards are issued by reliable capital retail bank. Offer is valid at all branded U.S. retail stations.Offer subject to credit approval: This offer is only available on new Visa or Personal Credit Card accounts. The offer may not be combined with any other offer. Introductory Offer of $0.20 per gallon in Fuel Credits, up to a maximum of $300 in total Fuel Credits, is good for 60 days from the date the account is opened.To earn Fuel Credits with the Visa Card, you must meet eligible spending thresholds in any billing period. Eligible spending includes net purchases made on your Card Account, other than （1） any purchases made at our branded merchants or （1） any purchases at other fuel merchants. If you spend more than ＄300 in eligible spending in any billing period, you will accrue ten cents （＄0.10） per gallon in Fuel Credits for each gallon of our fuel purchased in that billing period.If you spend more than $1,000 in eligible spending in any billing period, you will accrue twenty cents（＄0.20） per gallon in Fuel Credits for each gallon of our fuelpurchased in details.Our Visa Card and Personal Credit Card are issued by a capital retail bank and are not an obligation of our U.S.A. Inc. and we are registered trademarks of the Intellectual Property LLC.A maximum of ＄300 in total Fuel Credits may be accrued and redeemed in any calendar year. Click here for information.For our Credit Card Accounts that are approved for cash access Cash Access for our Credit Card accounts is currently available only in the U.S. and Canada foraccounts with credit limits of at least $500.Unauthorized charges do not include charges by a person whom you have given authority to use your accounts or card, and you will be liable for all use by such person. From the last paragraph, we can know that（ ）.A. Authority to use the account should be given by our companyB. You should be responsible for the cash access related to your account by any person using itC. If the charges of your account or card are authorized, there will be no credit limitsD. If you give a person the right to use your account or card, he can use it
资料：No credit，bad credit Hear the terms often enough and they can blur together.These credit statuses aren’t one and the same，though.Whether you have no credit or bad credit，one thing’s for sure：You don’t have good credit.And without good credit，you’ll face an uphill battle any time you apply for a loan or credit card.Potential lenders will want to know that you will almost certainly repay any money that you borrow.They likely won’t risk loaning money or extending credit to those whose creditworthiness is a big question mark or，worse，who have a track record of poor money management.If you fall into either of these categories，it’s smart to focus on raising your credit scores.If you have no credit score，you don’t have a credit history.If you have bad credit，it’s likely that you’ve mishandled credit in the past.And these two less-than-ideal credit standings require different solutions.If you fall in the no-credit category，you haven’t necessarily made any financial mistakes.In this case，a good way to start building that history is to acquire a credit card for people with no credit.Secured credit cards （which require a security deposit）or college student credit cards are typically the easiest to qualify for if you have no credit.A credit-builder loan can also help you establish credit.Bad credit can be a result of financial missteps，including missing payments，defaulting on loans，or having accounts sent to collections.If you fall into this category and need credit，you’ll need to look for a bad-credit credit card.A secured card or credit-builder loan is a good option in this situation，as well.You also may qualify for a bad-credit personal loan.If you still have open accounts，pay down the balances but don’t close credit accounts if you can avoid it.People with no credit are just starting to build their financial reputation，while those with bad credit are doing damage control.Moving from one of these less desirable situations to a good credit standing may use different tools，but the method is much the same： Make your payments on time and keep your debt low.It takes diligence and dedication，but it can be done.The main purpose of the passage is to______.A.teach people how to have credit accountsB.suggest ways for people to keep good credit recordC.present a concern about people’s bad credit nowadaysD.explain the differences between no-credit and bad credit
资料：No credit，bad credit Hear the terms often enough and they can blur together.These credit statuses aren’t one and the same，though.Whether you have no credit or bad credit，one thing’s for sure：You don’t have good credit.And without good credit，you’ll face an uphill battle any time you apply for a loan or credit card.Potential lenders will want to know that you will almost certainly repay any money that you borrow.They likely won’t risk loaning money or extending credit to those whose creditworthiness is a big question mark or，worse，who have a track record of poor money management.If you fall into either of these categories，it’s smart to focus on raising your credit scores.If you have no credit score，you don’t have a credit history.If you have bad credit，it’s likely that you’ve mishandled credit in the past.And these two less-than-ideal credit standings require different solutions.If you fall in the no-credit category，you haven’t necessarily made any financial mistakes.In this case，a good way to start building that history is to acquire a credit card for people with no credit.Secured credit cards （which require a security deposit）or college student credit cards are typically the easiest to qualify for if you have no credit.A credit-builder loan can also help you establish credit.Bad credit can be a result of financial missteps，including missing payments，defaulting on loans，or having accounts sent to collections.If you fall into this category and need credit，you’ll need to look for a bad-credit credit card.A secured card or credit-builder loan is a good option in this situation，as well.You also may qualify for a bad-credit personal loan.If you still have open accounts，pay down the balances but don’t close credit accounts if you can avoid it.People with no credit are just starting to build their financial reputation，while those with bad credit are doing damage control.Moving from one of these less desirable situations to a good credit standing may use different tools，but the method is much the same： Make your payments on time and keep your debt low.It takes diligence and dedication，but it can be done.The solution（s） for Bad-credit could be______.A.having accounts sent to collections.B.looking for a no-credit credit card.C.paying down the balance.D.closing your credit accounts.
资料：No credit，bad credit Hear the terms often enough and they can blur together.These credit statuses aren’t one and the same，though.Whether you have no credit or bad credit，one thing’s for sure：You don’t have good credit.And without good credit，you’ll face an uphill battle any time you apply for a loan or credit card.Potential lenders will want to know that you will almost certainly repay any money that you borrow.They likely won’t risk loaning money or extending credit to those whose creditworthiness is a big question mark or，worse，who have a track record of poor money management.If you fall into either of these categories，it’s smart to focus on raising your credit scores.If you have no credit score，you don’t have a credit history.If you have bad credit，it’s likely that you’ve mishandled credit in the past.And these two less-than-ideal credit standings require different solutions.If you fall in the no-credit category，you haven’t necessarily made any financial mistakes.In this case，a good way to start building that history is to acquire a credit card for people with no credit.Secured credit cards （which require a security deposit）or college student credit cards are typically the easiest to qualify for if you have no credit.A credit-builder loan can also help you establish credit.Bad credit can be a result of financial missteps，including missing payments，defaulting on loans，or having accounts sent to collections.If you fall into this category and need credit，you’ll need to look for a bad-credit credit card.A secured card or credit-builder loan is a good option in this situation，as well.You also may qualify for a bad-credit personal loan.If you still have open accounts，pay down the balances but don’t close credit accounts if you can avoid it.People with no credit are just starting to build their financial reputation，while those with bad credit are doing damage control.Moving from one of these less desirable situations to a good credit standing may use different tools，but the method is much the same： Make your payments on time and keep your debt low.It takes diligence and dedication，but it can be done.It can be inferred that the potential lenders______A.will probably loan money bad-credit people as they still have open accounts.B.will probably loan money no-credit people as they haven’t made any financial mistakes.C.won’t risk loaning money or extending credit to no-credit person or bad-credit person.D.None of above
资料：No credit，bad credit Hear the terms often enough and they can blur together.These credit statuses aren’t one and the same，though.Whether you have no credit or bad credit，one thing’s for sure：You don’t have good credit.And without good credit，you’ll face an uphill battle any time you apply for a loan or credit card.Potential lenders will want to know that you will almost certainly repay any money that you borrow.They likely won’t risk loaning money or extending credit to those whose creditworthiness is a big question mark or，worse，who have a track record of poor money management.If you fall into either of these categories，it’s smart to focus on raising your credit scores.If you have no credit score，you don’t have a credit history.If you have bad credit，it’s likely that you’ve mishandled credit in the past.And these two less-than-ideal credit standings require different solutions.If you fall in the no-credit category，you haven’t necessarily made any financial mistakes.In this case，a good way to start building that history is to acquire a credit card for people with no credit.Secured credit cards （which require a security deposit）or college student credit cards are typically the easiest to qualify for if you have no credit.A credit-builder loan can also help you establish credit.Bad credit can be a result of financial missteps，including missing payments，defaulting on loans，or having accounts sent to collections.If you fall into this category and need credit，you’ll need to look for a bad-credit credit card.A secured card or credit-builder loan is a good option in this situation，as well.You also may qualify for a bad-credit personal loan.If you still have open accounts，pay down the balances but don’t close credit accounts if you can avoid it.People with no credit are just starting to build their financial reputation，while those with bad credit are doing damage control.Moving from one of these less desirable situations to a good credit standing may use different tools，but the method is much the same： Make your payments on time and keep your debt low.It takes diligence and dedication，but it can be done.How to establish credit if you fall into the no-credit category？A.To have a credit-builder loanB.To acquire secured credit cards（which require a security deposit） or college student credit cardsC.To acquire a credit cardD.All of above
资料：No credit，bad credit Hear the terms often enough and they can blur together.These credit statuses aren’t one and the same，though.Whether you have no credit or bad credit，one thing’s for sure：You don’t have good credit.And without good credit，you’ll face an uphill battle any time you apply for a loan or credit card.Potential lenders will want to know that you will almost certainly repay any money that you borrow.They likely won’t risk loaning money or extending credit to those whose creditworthiness is a big question mark or，worse，who have a track record of poor money management.If you fall into either of these categories，it’s smart to focus on raising your credit scores.If you have no credit score，you don’t have a credit history.If you have bad credit，it’s likely that you’ve mishandled credit in the past.And these two less-than-ideal credit standings require different solutions.If you fall in the no-credit category，you haven’t necessarily made any financial mistakes.In this case，a good way to start building that history is to acquire a credit card for people with no credit.Secured credit cards （which require a security deposit）or college student credit cards are typically the easiest to qualify for if you have no credit.A credit-builder loan can also help you establish credit.Bad credit can be a result of financial missteps，including missing payments，defaulting on loans，or having accounts sent to collections.If you fall into this category and need credit，you’ll need to look for a bad-credit credit card.A secured card or credit-builder loan is a good option in this situation，as well.You also may qualify for a bad-credit personal loan.If you still have open accounts，pay down the balances but don’t close credit accounts if you can avoid it.People with no credit are just starting to build their financial reputation，while those with bad credit are doing damage control.Moving from one of these less desirable situations to a good credit standing may use different tools，but the method is much the same： Make your payments on time and keep your debt low.It takes diligence and dedication，but it can be done.Which topic has not been covered in the passage？A.Next steps to take for people in different categoriesB.How no credit and bad credit are differentC.How no credit and bad credit are similarD.All the above have been discussed in the passage
May I use my credit card here?（）AYou can't.BNo one uses it.CI am afraid you can't.DWho told you?
请根据下列材料写一篇150词左右的英语短文。 At present, a wide variety of credit cards issued by major banks and shopping malls are thriving in colleges and universities across the nation, with a multitude of college students making up a growing population of card holders. If you are a college student, will you also use the credit card?
In which scenario will you create a sorted hash cluster？ （）A、 if the application uses queries joining tables only occasionallyB、 if the full table scan is executed often on only one table of the clustered tablesC、 if the data for all the rows of a cluster key value exceeds one or two Oracle blocksD、 when you want the data to be returned automatically in the chronological order
In which scenario will you create a hash cluster？（）A、 when you want the data to be returned automatically in chronological orderB、 if the application uses queries joining tables only occasionallyC、 if the queries against the clustered table use the equality operator （=） to retrieve the desired rowD、 if the full table scan is executed often on only one of the clustered tables
You are maintaining a database of credit card transactions. You want the data to be returned automatically in the chronological order of the credit card numbers without using the ORDER BY clause in the query. Which type of cluster will you use to obtain the desired result？（） A、 Hash clusterB、 Index clusterC、 Sorted hash clusterD、 Real Application cluster
You are designing an application for Certkiller .com and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls， listed in chronological order.Which method would you follow to achieve this objective without increasing the overhead of sorting the rows？（）A、 create a hash cluster to store the dataB、 create an index cluster to store the dataC、 create a partitioned table to store the dataD、 create a sorted hash cluster to store the dataE、 create a heap table with rowid to store the data
单选题You are designing an application for a telecom company and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls， listed in chronological order. Which method would you follow to achieve this objective without increasing the overhead of sorting the rows？（）Acreate a hash cluster to store the dataBcreate an index cluster to store the dataCcreate a partitioned table to store the dataDcreate a sorted hash cluster to store the dataEcreate a heap table with rowid to store the data
单选题You are maintaining a database of credit card transactions. You want the data to be returned automatically in the chronological order of the credit card numbers without using the ORDER BY clause in the query. Which type of cluster will you use to obtain the desired result？（）A Hash clusterB Index clusterC Sorted hash clusterD Real Application cluster
单选题You need to base a data block on the EMP table, but you do not want to give the users of the application access privileges on the table. Which type of data source would you use to create the data block?（）Atable Btransactional trigger Cstored procedure DFROM clause query
单选题In which scenario will you create a sorted hash cluster？ （）A if the application uses queries joining tables only occasionallyB if the full table scan is executed often on only one table of the clustered tablesC if the data for all the rows of a cluster key value exceeds one or two Oracle blocksD when you want the data to be returned automatically in the chronological order
单选题In which scenario will you create a hash cluster？（）A when you want the data to be returned automatically in chronological orderB if the application uses queries joining tables only occasionallyC if the queries against the clustered table use the equality operator （=） to retrieve the desired rowD if the full table scan is executed often on only one of the clustered tables
单选题You are designing an application for Certkiller .com and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls， listed in chronological order.Which method would you follow to achieve this objective without increasing the overhead of sorting the rows？（）A create a hash cluster to store the dataB create an index cluster to store the dataC create a partitioned table to store the dataD create a sorted hash cluster to store the dataE create a heap table with rowid to store the data
问答题Practice 4 The regulations make it safer for you to use your credit card for shopping on the Internet or over the phone. If someone else makes dishonest use of your credit card, you can cancel the payment and the card issuer(发卡机构) must refund the money to your account. The card issuer will want you to tell them as soon as possible if your card has been lost or stolen or if you find out that someone has used your card details dishonestly.
单选题May I use my credit card here?（）AYou can't.BNo one uses it.CI am afraid you can't.DWho told you?
填空题If you bring a credit card, make sure you take down the service number of the card company in case of loss or theft.____