MIS 235 Exam II Study Guide

MIS 235 Exam II Study Guide - MIS Exam II Study Guide SQL...

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MIS Exam II Study Guide SQL: GROUP BY - use with an aggregation HAVING - use with an aggregation; must be used with a GROUP BY clause; it will select rows based on certain conditions presented Table Joins : FROM table 1, table 2 WHERE table 1.foreign (or primary) key = table 2. Primary (foreign) key E-Business: Internet vs. World Wide Web The World Wide Web uses the internet as a transport mechanism The WWW has a client-server architecture WWW provides standardized protocols for creating, naming, linking, and accessing the internet content Hypertext Transport Protocol (HTTP) - the communication protocol for web server-client interaction E-Business Models - an approach to conducting business on the internet Business-to-Business (B2B) - businesses buying and selling to each other over the internet. o tremendous efficiency
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o improved collaboration between employees and business partners Business-to-Consumer - any business that sells its products or services to consumers via the internet. o new distribution channels o improved communication with customers o The Long Tail o E-Shop - version of a retailer where customers can shop any time (J. Crew) o E-Mall - a number of e-shops Consumer-to-Business (C2B) - any consumer that sells to a business online (i.e. Priceline.com---selling airline tickets or hotel rooms and seller decides where to supply them) Consumer-to-Consumer (C2C) - sites where goods and services are offered to consumers interacting with each other (i.e. eBay) Benefits of E-Business : Customer loyalty due to accessibility, convenience, rich info content Global reach Reduced costs Risks of E-Business - Security- protect against unsolicited goods, illegal goods, cyberfraud Privacy
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