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Invitation to Computer Science 6 th Edition

Invitation to Computer Science 6 th Edition. Chapter 10 The Tower of Babel. Special-Purpose Languages. Designed for one specialized task Examples SQL HTML JavaScript. SQL. SQL: S tructured Q uery L anguage A database stores data

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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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