Web-related concepts and web concepts
1. In Web development, we may look at these things:
(1) HTML: The Web uses Hypertext Technology HTML to express information and establish links between information and information.
(Many nice pages are made of html + css)
(2) URL: The Web uses the unified resource positioning technology URL to precisely locate information on the network.
(This is important in Web development)
URL implementation page access:
URL: the abbreviation of Uniform Resource Locator, which represents the "unified Resource Locator", which we often call the URL.
A URL is the only naming convention that recognizes the locations of computers, directories, or folders on the Internet.
URL Composition
Part 1: Protocol
Part 2: Host IP address (sometimes including port number)
Part 3: Addresses of project resources, such as directories and folder names
(3) HTTP: The Web uses the network application layer protocol HTTP to regulate information transmission between browsers and Web servers
(Transmission of Web and browser Information)
2. Differences between C/S and B/S
(1) C/S is also called Client/Server or customer/Server mode. Servers generally use high-performance PCs, workstations, or Minicomputers
It also uses large database systems, such as Oracle, Sybase, Informix, and SQL Server.
The client must install dedicated client software.
(2) B/S is the abbreviation of Brower/Server. Only one Browser is installed on the client)
For example, Netscape Navigator or Internet Explorer. The Server installs databases such as Oracle, Sybase, Informix, and SQL Server.
The browser interacts with the database through the Web Server.