Manipulation Language)이 구현하는 기능
(1) 사용자와 DBMS간의 인터페이스의 중요부분
(2) 인터페이스를 위한 데이터 조작 기능의 조건
① 사용하기 쉽고 자연어에 가까워야 한다.
② 정확하고 완전해야 한다.
③ 데이터 언어의 효율적인 구현을 지원한다.
(3) 데이터베이스에서 허용되는 연산에
1. DEM(Digital Elevation Model)의 정의
출처 - http://en.wikipedia.org/wiki/Digital_elevation_model
From Wikipedia, the free encyclopedia
A digital elevation model is a digital model or 3D representation of a terrain's surface created from terrain elevation data.
There is no common usage of the terms digital elevation model (DEM), digital terrain model (DTM) and digital surface model (D
1. What is an "Exotic Options"?
option contracts that are variations on simple puts and calls or are different products with optionality built into them.
Exotic options are available in various asset classes on which options are available, but are mostly found in the foreign exchange market. A common example is the barrier option, which itself comes in various forms such as knock-in options
The Digital image processing is the use of computer algorithms to perform image processing on digital image.
Started in 1986, introducing the world’s first electronic image sensor with 1.4 million pixels
Expanded in 1993~1994, coming out various products
Colby Chandler
Created a division for exploring new tech.
Adopting George Eastman’s original formula
(foc
2. Impacts of I-Phone's appearance on the Korean domestic mobile phone market
iPhone opened up a new era of domestic smartphone market by expanding the market for the smartphone.
1) Immediately after iPhone was introduced into the market, the sales of smartphone increased from below 3% to 18.9%. So smartphones account for a huge portion of domestic mobile phone market. It means that iPhone re