CS6083: Principles of Database Systems ! Systems Concepts‚ 6th Edition‚ McGraw-Hill 2009. (The 4th and 5th editions are also OK to use.)! Will use slides from book as well as extra material! Posted on course page a day ahead of class! Database System Concepts - 6th Edition! Modified by T. Suel for CS6083‚ NYU Poly‚ Fall 2012! 1.1! ©Silberschatz‚ Korth and Sudarshan! CS6083: Principles of Database Systems ! Prerequisites: Data Structures‚ Operating Systems! Binary search trees
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Case: Taobao VS eBay China This case deals with the competition of dominant position in China’s online market between domestic player Taobao and global internet C2C service leader eBay. EachNet was copyed from eBay’s business model. As it confronted the difficulties raising capital‚ eBay entered China with its acquisition of the EachNet in 2002. The previous Chinese operation was changed significantly to align it with eBay worldwide systems including listing categorization‚ location of servers
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college experience. The majority of the people are Caucasian and have a household income of $100‚000. After looking at this information there are some good opportunities that eBay could capitalize on. First‚ a good target market would be the “Baby Boomer” generation. This generation’s age demographic falls into the 45-64 year range which makes up about 30% of internet usage in the United States. With the rise of smart phone technology‚ even the Baby Boomers are catching on to the trend. Roughly
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Amazon Technologies Amazon started as a simple bookseller over the last decade it has branched out into additional product areas and the third-party sales that now represent a good chunk of its revenue. The technology core that runs Amazon Linux-based. Amazon has the world’s three largest Linux databases‚ with a total capacity of 7.8 terabytes (TB)‚ 18.5 TB and 24.7 TB respectively. The data warehouse is mainly divided into three verticals: query‚ historical data and ETL (Extract‚ Transform and
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Why eBay? It ’s not just beanie babies and Pez dispensers. There are 157 million users of eBay worldwide‚ make that 157 million and one‚ I am the internet powerhouse ’s newest recruit. With an unexpected sense of anticipation I scroll down the web page‚ I spot what I am looking for "One pair of brand new Prada heels‚ Authentic!" excitedly I click on the link and read the short novella the seller has written for my benefit. She swears she paid $580 for these on a recent trip to New York but alas
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DataBase Concepts DataBase – a collection of information related to specific entity (e.g. organization‚ bank‚ college‚ library etc.) DBMS – (Database management system) – a application through which we can control the database i.e. we can store data into database‚ update the data and delete also we can retrieve the data from database. For doing these operation DBMS support a language called Structured Query language (SQL). SQL accomplishes many powerful tasks with a mere seven statements: SELECT
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than 94 million active users globally‚ eBay is the world’s largest online marketplace‚ where practically anyone can buy and sell practically anything. Founded in 1995‚ eBay connects a diverse and passionate community of individual buyers and sellers‚ as well as small businesses. Their collective impact on e-commerce is staggering: In 2010‚ the total worth of goods sold on eBay was $62 billion -- more than $2‚000 every second. For the latest stories about eBay‚ including recent financial performance
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1 Chapter 1 Database Systems Database Systems: Design‚ Implementation‚ and Management‚ Seventh Edition‚ Rob and Coronel 1 1 In this chapter‚ you will learn: • The difference between data and information • What a database is‚ what the different types of databases are‚ and why they are valuable assets for decision making • The importance of database design • How modern databases evolved from file systems Database Systems: Design‚ Implementation‚ & Management‚ 7th Edition‚ Rob
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where I can work as a receptionist. Once graduated with my degree I plan on opening my own practice. There will always be needs for doctors‚ so I am not worried about the field of study I am going into. I will definitely work full time. Starting out my annual earnings will be about $45‚000 to $55‚000. After about five to ten years‚ once I am established in my field my annual salary will go up to $65‚000 to $90‚000. Some advantages I will have in choosing to open my own practice are‚ I will have
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start up a business they must have a motivation of some sort. Without a strong motive for business creation an entrepreneur may quickly loose interest in the business venture. Being an entrepreneur‚ and starting up a business or company is an extremely hard task. Motivation is a vital characteristic of anyone who is even considering going into business‚ because they need to have a very strong goal for them to be able to cope well with the amounts of work. At times they will feel like giving up and
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