1. Intro
Open source software literally means that the source code of software is available. Open source software opens its source code to everyone so that it could be used, copied, and distributed with or without any modification and that may be offered either with or without a fee.
The open source community consists of individuals or groups of individuals who contribute to a particular open
3.1.4 Android Application Activity
(1) onCreate() : Activity가 처음 시작할 때 호출 됨
(2) onStart() :: Activity가 곧 사용자에게 보여짐
(3) onResume() : Activity가 사용자와 상호작용을 시작할 때 호출 됨
(4) onPause() : Activity가 배경으로 전환될 때 호출 됨
(5) onStop() : Activity가 사용자에게 더 이상 보여지지 안을 때 호출 됨
III. Strategy
1. Understanding changes in the world and proper reaction.
Facebook recognizes change of consumer’s needs and reflects various needs immediately. Facebook has concentrated on providing credible information as well as a large number of information. Users prefer credible information source when the quantity of information increases.
Furthermore, Facebook provides easy and comf
Update할 수 있다.
2) WINet
Harrah’s는 gambling transaction data와 hotel reservation과 같이 gambling이외 의 다른 data를 연결해서 CRM software를 통해 분석 했다. Harrah’s가 사용한 CRM software는 Cognos Corp.에서 제작한 Cognos Impromptu라는 CRM query tool을 사용 했고, marketing manager는 SAS Institute Inc.에서 modeling한 tools를 사용 했다.
or Index): Field in each record uniquely identifies this record for retrieval, updating, sorting
Definition: Organization’s electronic library stores & manages data in a convenient form
DBMS: Software to create & maintain data enables business applications to extract data independent of specific computer programs
Act as an interface between applications program and physical data file