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Invitation to Computer Science 6 th Edition

Discover the world of special-purpose languages like SQL, HTML, and JavaScript in this chapter from "Invitation to Computer Science." SQL is for database querying, HTML is for web page creation, and JavaScript adds interactivity. Learn how SQL structures queries, HTML creates documents, and JavaScript enhances user experience. Dive into the essentials of these languages and explore examples to unleash their capabilities. Explore the code for HTML web pages and leverage online resources for a deeper understanding.

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Invitation to Computer Science 6 th Edition

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  1. Invitation to Computer Science 6thEdition Chapter 10 The Tower of Babel

  2. Special-Purpose Languages • Designed for one specialized task • Examples • SQL • HTML • JavaScript

  3. SQL • SQL: Structured Query Language • A database stores data • Databases can be queried: The user can pose questions to the database • SQL is the language used to frame database queries

  4. HTML • HTML: HyperText Markup Language • HTML is the language used to create HTML documents • Web page • An HTML document viewed with Web browser software

  5. HTML (continued) • An HTML document • Consists of text displayed on the Web page and tags • Tags are special characters • Formatting • Special effects • References to other HTML documents

  6. Figure 9.4 HTML Code for a Web Page Figure 10.4 HTML Code for a Web Page

  7. Figure 10.5 Body of the Web Page Generated by Figure 9.4

  8. Figure 10.6 Some HTML Tags

  9. Online Tutorial • http://www.w3schools.com

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