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Lecture

Module3_Database Management Systems.docx

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Department
Administration
Course
ADM1370
Professor
All Professors
Semester
Fall

Description
DATABASE MANAGEMENT SYSTEMSDATA AND INFORMATIONDataraw facts describing characteristics of an eventInformationdata converted into meaningful and useful contextDatabasemaintains information about various types of objects inventory events transactions people employees and places warehousesDATA VS INFORMATIONData shares in a stock marketInformation how did a certain stock perform in the past How does the performance compare to other stocksFirms need to make their data easily accessible by managers and employeesTRANSACTIONAL DATA AND ANALYTICAL INFORMATIONTransactional Data packing slips sales receipts etc are put into a database which then provides Analytical information trends product stats sales projections etcAnalystsFine Transactional Data ExecutivesCoarse Analytical DataTRADITIONAL FILE ORGANIZATIONFileGroup of records of same typeRecordgroup of related fieldsFieldgroup of words or a complete numberBytegroup of bits that represent a single characterBitsmallest unit of data binary digit 01
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