'Sams Teach Yourself Perl in 21 Days' covers the basics in the first few chapters, and then moves on to practical uses of Perl and in-depth discussions of more advanced topics. Perl is a popular programming language typically used in Unix systems.

Sams Teach Yourself Perl in 21 Days covers the basics of Perl in the first few chapters, and then moves on to practical issues of Perl and in-depth discussions of more advanced topics. Later chapters also delve into software engineering topics, with discussions of modular code and object-oriented programming. CGI is covered in one chapter, but it is not the focus on the book. The book relies heavily on longer working examples and code, as opposed to small snippets and code fragments, and each chapter includes two to three smaller complete examples and one major one that illustrates most of the concepts for that chapter and builds on the chapters before it. Written by Laura Lemay, this is her third major book after Sams Teach Yourself Web Publishing with HTML in 21 Days and Sams Teach Yourself Java in 21 Days.

Other Perl books assume C programming experience and a great deal of programming knowledge and sophistication. This tutorial starts with basic concepts and builds upon them. Each chapter contains a Q&A section, summary, quiz, and a series of exercises which allow readers to practice using the language features they have just learned.

Sams Teach Yourself Perl in 21 Days, 2nd Edition covers the basics in the first few chapters, and then moves to practical uses of Perl and in-depth discussions of more advanced topics. Later chapters delve into software engineering topics, with discussions of modular code and object-oriented programming. Sams Teach Yourself Perl in 21 Days, 2nd Edition relies heavily on longer working examples and code, as opposed to small snippets and code fragments. Each chapter includes two to three smaller complete examples and one major one that illustrates most of the concepts for that chapter and builds on the chapters before it.

Ruby is a high-level, fully object-oriented programming (OOP) language. It is very powerful and relatively easy to learn, read, and maintain. Sams Teach Yourself Ruby in 21 Days provides the best introduction to this language and addresses one of the key constraints it faces: "The paucity of quality English-language documentation is one of the few things holding Ruby back from widespread adoption," according to Dr. Curtis Clifton of Iowa State University¿s Department of Graduate Computer Science.

This guide teaches readers how to design and implement their an open source database. Topics include designing and creating a database; normalizing data; adding tables, columns and indexes; importing and exporting data; administering, optimizing and troubleshooting My SQL; and locks and keys.

Sams Teach Yourself Perl In 21 Days, 2Nd Edition Covers The Basics In The First Few Chapters, And Then Moves To Practical Uses Of Perl And In-Depth Discussions Of More Advanced Topics. Later Chapters Delve Into Software Engineering Topics, With Discussions Of Modular Code And Object-Oriented Programming. Sams Teach Yourself Perl In 21 Days, 2Nd Edition Relies Heavily On Longer Working Examples And Code, As Opposed To Small Snippets And Code Fragments. Each Chapter Includes Two To Three Smaller Complete Examples And One Major One That Illustrates Most Of The Concepts For That Chapter And Builds On The Chapters Before It.