DATABASE FUNDAMENTALS
BASICS OF BIG DATA
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
index date
|
|
Calcular data
|
|
transform date
|
|
extract data
|
Detailed explanation-1: -Web scraping (also called web data extraction or data scraping) is an automated process that extracts data from a website and exports it in a structured format. Web scraping is especially useful if the public website you want to get data from doesn’t have an API, or only provides limited access to web data.
Detailed explanation-2: -Data scraping involves pulling information out of a website and into a spreadsheet. To a dedicated data scraper, the method is an efficient way to grab a great deal of information for analysis, processing, or presentation.
Detailed explanation-3: -What is Web Scraping? Web scraping is the method of collecting data from desired web pages and is also known as data collection and data extraction. With the Hypertext Transfer Protocol, Scraping tools and applications access the World Wide Web, gather valuable data, and extract it according to your needs.
Detailed explanation-4: -Data scraping, in its most general form, refers to a technique in which a computer program extracts data from output generated from another program. Data scraping is commonly manifest in web scraping, the process of using an application to extract valuable information from a website.