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Compare and contrast the views of management and accountants regarding the changes required by the Sarbanes-Oxley Act on internal controls and how these changes have affected corporations, accounting firms, and investors. Your paper must be formatted according to APA 6th edition guidelines, and you need to use at least one external reference. Save your…
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Iteration Introduction In Iteration 3, you created a DBMS physical ERD that contains primary and foreign keys, which gives you the structure of your database, but does not provide a place to store data. Databases with no data are not useful, so, in this iteration, we add attributes to our DBMS physical ERD. Attributes allow…
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Iteration Introduction In Iteration 2, you modeled your database design with structural database rules and a high‐level ERD, and in this iteration, you bring this design one step closer to implementation in SQL. First, you add a specialization‐generalization relationship to your structural database rules and ERD. Specialization‐ generalization relationships have a different meaning and properties…
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Iteration Introduction Defining a direction for your database and describing how it will be used is a great first step, and this what you accomplished for Iteration 1, but this is just the beginning of the process. Your goal is a live database that supports the organization or application that uses it; there are several…
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Project Introduction Can you design, implement, and start using your very own database, all in one course term? You can, even if you have never touched a database in your life! The theoretical concepts and applied skills you learn throughout the course prepare you well for this task, and have been carefully crafted and sequenced…
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MET CS 669 Database Design and Implementation for Business Lab 3: Aggregating Data Page 1 of 37 Copyright 2019 Boston University. All Rights Reserved. Overview of the Lab Sometimes we are interested in the result of aggregating multiple data items rather than in individual data items. For example, a store may be…
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MET CS 669 Database Design and Implementation for Business Lab 5: Subqueries Page 1 of 11 Copyright 2016, 2018-2019 Boston University. All Rights Reserved. Overview of the Lab In this lab we learn to work with subqueries, which significantly extend the expressional power of queries. Through the use of subqueries, a single…
