Exam 11: Data Storage Design

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Sometimes in data storage design there will need to be trade-offs between storage efficiency and processing speed and efficiency.

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Transaction processing systems and decision support systems will generally have very different data storage needs.

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DB2 is a enterprise database management system.

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When changing from logical data models to physical data models,you will want to change the attributes of the logical ERD to fields in the physical ERD.

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Systems that support decision making will probably:

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Which of the following is NOT a file type described in the textbook?

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When working on a major project,project teams will always select and stay with only one database format for consistency of development and use.

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The most popular kind of database for applications development today is the relational database.

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What is the CRUD matrix and why should it be updated in the data storage design activity? Give an example of who can "C","R","U" and "D" for a company and sample systems.

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Systems to support decision making generally need to update data frequently with a large volume of data.

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What is the difference between end-user databases and enterprise databases (and give at least one end-user database product and at least one enterprise database)?

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When moving from logical data models to physical data models,you should update your CRUD matrix.

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Jasmine is an example of an object-oriented database system.

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Rachel wants aggregated data like find the number of banking customers who have savings accounts over $100,000 and home mortgages with her bank.She probably wants to use a Decision Support System.

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The data storage design activity is done in which phase of the Systems Development Life Cycle?

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FoodTitan is a large grocery store chain in the Chicago,Milwaukee,and the Upper Midwest.Generally their stores have from 18 to 36 checkout lanes with scanners.When somebody scans a bar code,the system is probably using a _____ to process the purchased items.

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If you were considering a media rich database (like the example of Tune Source in the textbook),what type of database organization might be best and why?

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Most relational database systems support:

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Generally,the best way to optimize data storage for efficiency is:

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Files are paper files that have been scanned into PDF files for quicker access.

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