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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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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not only can help Knight to get more information of its fleet‚ but also save at least $1 million dollars in fuel for the company. This brings Knight to get an 11 percent profit. Before the Knight used Fleet View‚ it had a lot of inefficiencies in the fleet. Theft threatens the trucking company. They always follow the route of the trucks and stole the goods at night when the drivers have gone. It can be a huge loss for company. For trucking industry‚ time is the most difficult factor for them to
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EE4791 Database Systems 2012-13 Project (CA‚ 20%) Design and Implementation of the Database with Microsoft Access. Group assignment (1-3 persons per group): 1. Propose a database Case Study with at least 5 tables. Write down the requirements on the database. 2. Draw EER diagram. 3. Give relational model (i.e.‚ logical scheme). Normalize up to 3NF. 4. Create the tables in MS Access in Design View. Choose indexes for your query. Implement data integrity (default value‚ range values‚ etc) 5. Implement
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DATABASE A database is a collection of data organized to meet users’ needs. Why This Matters Without data and the ability to process it‚ an organization would not be able to successfully engage in business activities‚ nor would it be able to generate reports to support knowledgeable workers and decision makers which in turn help’s to achieve organizational goals; it would not be able to pay employees‚ send out bills‚ and order new inventory. Databases have made it possible to map the structure
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Assignment: DBMS Implementation Plan Resource: Virtual Organization for Huffman Trucking Write a 10-12 page plan for the implementation of an enterprise DBMS for Huffman Trucking. Assume that the Microsoft® Access Fleet Truck Maintenance Database listed on the Huffman Trucking intranet site has been implemented. Assume other departments within Huffman Trucking have stand-alone databases‚ at least one of which uses database software other than Microsoft® Access. Identify all of your assumptions.
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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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interchangeability of subqueries and joins‚ Selected Answer: a join can sometimes be used as an alternative to a subquery‚ and a subquery can sometimes be used as an alternative to a join. Question 3 5 of 5 points When making an SQL query‚ we are using SQL as a(n) ________. Selected Answer: DML Question 4 0 of 5 points Every subquery can be alternatively expressed by a join. Selected Answer: False Question 5 5 of 5 points The clause
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have? Ans: An "owner" account is given to those in control of specific relations. They have select‚ modification‚ and reference privileges on that given relation. 2) How is the view mechanism used as an authorization mechanism? Ans: A multiuser database system must selectively permit users to share data‚ while retaining the ability to restrict data access. There must be a mechanism to provide protection and security‚ permitting information to be accessed only by properly authorized users. Further
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Daniel Heski Analysis Paper 11/24/2015 ECO 222 The Trucking Industry’s Savior: Autonomous Trucks The commercial trucking industry is arguably one of the most important players in the U.S. economy. Each year‚ it moves over 70% of all goods transported within the nation (“Reports‚ Trends & Statistics”). If not for the truckers‚ the majority of the businesses throughout America would not be able to function. Today‚ the trucking industry is faced with some of the most challenging issues that the
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