SQL and Relational Theory: How to Write Accurate SQL Code By C. J. Date Publisher: O'Re..illy Me..dia; Second edition 2011 | 446 Pages | ISBN: 1449316409 | EPUB + PDF | 3 MB + 20 MB

Download SQL and Relational Theory: How to Write Accurate SQL Code

SQL is full of difficulties and traps for the unwary. You can avoid them if you understand relational theory, but only if you know how to put the theory into practice. In this insightful book, author C.J. Date explains relational theory in depth, and demonstrates through numerous examples and exercises how you can apply it directly to your use of SQL.

This second edition includes new material on recursive queries, "missing information” without nulls, new update operators, and topics such as aggregate operators, grouping and ungrouping, and view updating. If you have a modest-to-advanced background in SQL ... Read more to Download »

Beginning iOS Game Development By Patrick Alessi Publisher: Wr..ox 2011 | 432 Pages | ISBN: 1118107322 | EPUB + PDF | 8 MB + 20 MB

Download Beginning iOS Game Development By Patrick Alessi

Get in the game and start building games for the iPhone or iPad! Whether you only have a little experience with iOS programming or even none at all, this accessible guide is ideal for getting started developing games for the iPhone and iPad. Experienced developer and author Patrick Alessi presents the iOS system architecture, gives you the step-by-step of game development, and introduces the languages used to develop games. From the basic building blocks to including drawing, responding to user interaction, animation, and sound, this book provides a one-stop-shop for getting your game up and running.

• Explores the tools and methodology used to develop games for the i ... Read more to Download »