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Lecture Notes for ACIS 1504 - Intro to Bus Analytics & BI with Lacoste at Virginia Tech (VT)

Notes Information

Material Type:Note 5
Professor:Lacoste
Class:ACIS 1504 - Intro to Bus Analytics & BI
Subject:Accounting & Information Systems
University:Virginia Polytechnic Institute And State University
Term:Spring 2009
Keywords:
  • Erp Benefits
  • Table/entity
  • Inexpensive
  • Distributer
  • Higher Quality
  • Purpose of a Database
  • Different Values
  • Responsiveness
  • Initiatives
  • Scm Benefits
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Sample Document Text

Chapter 5 – Database Processing Database – – The purpose of a database is to give people access to the information they need so they can do their jobs more easily or more quickly. It keeps track of things – A database is a self-describing collection of integrated records ○ Google is essentially a database  Web crawler – (not part of the database) software that surfs the internet and grabs new information for the database – takes a copy of the text that makes up a webpage and gives the text to the indexer  Indexer – each significant word(words used repeatedly, words used in the title, words used in the link, etc.) in page is extracted and indexed  Query Processor – uses interface (search box) to allow us to identify search criteria; engine matches criteria to index of terms previously stored; results formatter puts all those results in order from what relates most to least – Database development is a collaborative process. Employees are asked what they want and then database develo...

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