Chapter 1 - Share data and reduce data redundancy(unwanted...

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Introduction Chapter 1
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Role of Data and Databases Database is an ordered collection of related data elements intended to meet the information needs of an organization and designed to be shared by multiple users (textbook, pg 2) Purpose of a database : Ability “to store and to provide efficient access to a company’s data while also maintaining its accuracy so that it can be used to competitive advantage Data must be accurate, on-time, correct format -basis for a decision
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Data Management Uses databases and database management software (DBMS) Allows organizations to: Easily access data (demand for access) Handle greater quantities of data (large volume) Provide data security, privacy, backup and recovery
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Unformatted text preview: Share data and reduce data redundancy (unwanted duplicate data) Data Processes Data Flows (part of data collection) STUDENT ENROLL STUDENT 1.1 STUDENT REQUEST ELIGIBILITY STUDENTS COURSES ENROLLED STUDENTS STUDENT/ COURSE ENROLLMENT DATA SECTIONS MAX # OF SEATS AVAILABLE REQUIREMENTS Person Data Process Data Concerns Data accuracy (ensure accurate and correct data) Data security (keep data safe) Data organization (structure data for fast, easy access) Data access (optimize performance and control who can access, what can access, what they can do with access at same time. .)...
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