data type을 묵시적으로 표시한 것이다. 예를 들면 Library(도서관)의 data abstraction을 보면 Data objetct는 책들을 나타내고, 기능에는 빌리기, 돌려주기, 대출도서장부정리, 과징금 받기 잃어버린 책 사두기 등이 있다. 이것을 간단히 나타내면 다음과 같다.
Library Data abstraction
Data object: collection of books
Function :
data need to be collected. This is done through the Bus Management System (BMS). It was developed in 2005, becoming the first bus management system in Korea. The major function of BMS is the control of bus services by showing the current condition of bus operations, and the distance between the earlier and following buses to manage the time in which buses arrive at the bus stops. It does so by co
Database Management system. The DBMS, which is a core part of the IT infrastructure, is hosted on an HP Superdome server computer and enables easy data managing. This software efficiently supports G market’s $2 billion in annual sales and transaction rates of up to 23,000 batch requests a second.
Furthermore, G market developed its own Database analyzing system. Using a value of the function a
function’(17.8%), ‘Due date of production’(13.7%), ‘volume and weight’(13.4%). However 88.9% of respondent answered ‘check the price’ and 78.0% answered ‘check the function’.
[Data News 12.03.20]
Consumer's buying behavior is decided by 'price‘.
Because of expectation that expensive cosmetics are better than others.
So, Did expensive cosmetics give us more satisfact
Traffic Information Gathering System should accept traffic information automatically gathered by mechanical devices such as a detector, beacon, probe car, and so on delivered from traffic-related organizations or a traffic locale system. It should also accept the function of gathering system that manually processes CCTV image information, reported data, and other information such as construction,