The Key To The Timegate

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The Key To The Timegate

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Author : Anthony D Wilmot
language : en
Publisher:
Release Date : 2015-09-05

The Key To The Timegate written by Anthony D Wilmot and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-05 with categories.

A world of women in the far distant future. Commander Wells and the crew of the Starship Argo continue their quest to find the Key to the Timegate. They seek the pirate woman named Nubia and her accomplice, a former member of the Dayimon Sisterhood. The Argonauts travel to the distant planets Nandel and Winterworld, where they visit mysterious lands populated by weird and wonderful aliens. They must locate the Key and return it to the Overlords. Whoever has the Key has control of the Timegate.

Relational Theory For Computer Professionals

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Author : C.J. Date
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2013-05-21

Relational Theory For Computer Professionals written by C.J. Date and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-21 with Computers categories.

All of today’s mainstream database products support the SQL language, and relational theory is what SQL is supposed to be based on. But are those products truly relational? Sadly, the answer is no. This book shows you what a real relational product would be like, and how and why it would be so much better than what’s currently available. With this unique book, you will: Learn how to see database systems as programming systems Get a careful, precise, and detailed definition of the relational model Explore a detailed analysis of SQL from a relational point of view There are literally hundreds of books on relational theory or the SQL language or both. But this one is different. First, nobody is more qualified than Chris Date to write such a book. He and Ted Codd, inventor of the relational model, were colleagues for many years, and Chris’s involvement with the technology goes back to the time of Codd’s first papers in 1969 and 1970. Second, most books try to use SQL as a vehicle for teaching relational theory, but this book deliberately takes the opposite approach. Its primary aim is to teach relational theory as such. Then it uses that theory as a vehicle for teaching SQL, showing in particular how that theory can help with the practical problem of using SQL correctly and productively. Any computer professional who wants to understand what relational systems are all about can benefit from this book. No prior knowledge of databases is assumed.

Database In Depth

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Author : C.J. Date
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2005-05-05

Database In Depth written by C.J. Date and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-05-05 with Computers categories.

This book sheds light on the principles behind the relational model, which is fundamental to all database-backed applications--and, consequently, most of the work that goes on in the computing world today. Database in Depth: The Relational Model for Practitioners goes beyond the hype and gets to the heart of how relational databases actually work.Ideal for experienced database developers and designers, this concise guide gives you a clear view of the technology--a view that's not influenced by any vendor or product. Featuring an extensive set of exercises, it will help you: understand why and how the relational model is still directly relevant to modern database technology (and will remain so for the foreseeable future) see why and how the SQL standard is seriously deficient use the best current theoretical knowledge in the design of their databases and database applications make informed decisions in their daily database professional activities Database in Depth will appeal not only to database developers and designers, but also to a diverse field of professionals and academics, including database administrators (DBAs), information modelers, database consultants, and more. Virtually everyone who deals with relational databases should have at least a passing understanding of the fundamentals of working with relational models.Author C.J. Date has been involved with the relational model from its earliest days. An exceptionally clear-thinking writer, Date lays out principle and theory in a manner that is easily understood. Few others can speak as authoritatively the topic of relational databases as Date can.

Sql And Relational Theory

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Author : C.J. Date
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2009-01-23

Sql And Relational Theory written by C.J. Date and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-01-23 with Computers categories.

Understanding SQL's underlying theory is the best way to guarantee that your SQL code is correct and your database schema is robust and maintainable. On the other hand, if you're not well versed in the theory, you can fall into several traps. In SQL and Relational Theory, author C.J. Date demonstrates how you can apply relational theory directly to your use of SQL. With numerous examples and clear explanations of the reasoning behind them, you'll learn how to deal with common SQL dilemmas, such as: Should database access granted be through views instead of base tables? Nulls in your database are causing you to get wrong answers. Why? What can you do about it? Could you write an SQL query to find employees who have never been in the same department for more than six months at a time? SQL supports "quantified comparisons," but they're better avoided. Why? How do you avoid them? Constraints are crucially important, but most SQL products don't support them properly. What can you do to resolve this situation? Database theory and practice have evolved since Edgar Codd originally defined the relational model back in 1969. Independent of any SQL products, SQL and Relational Theory draws on decades of research to present the most up-to-date treatment of the material available anywhere. Anyone with a modest to advanced background in SQL will benefit from the many insights in this book.

Mission

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Author : Patrick Tilley
language : en
Publisher: A&C Black
Release Date : 2012-07-30

Mission written by Patrick Tilley and has been published by A&C Black this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-07-30 with Fiction categories.

What would you do if, through an unexpected twist of fate and time, you came face to face with Jesus of Nazareth? In the flesh. A living, breathing, three-dimensional figure with a disconcertingly casual manner. Leo Resnick, a smart young Manhattan lawyer, and his girlfriend, Dr Miriam Maxwell, are confronted with this very reality. Leo's record of his encounter with The Man is fast-paced and thoughtful at the same time. Here Tilley showcases his ability to explore vast themes whilst creating a page-turning level of excitement. If you've ever looked up at the stars and wondered what it all means, this is the book you've been waiting for. Mission, first published in 1981, is a sci-fi novel of biblical proportions full of wit, theology and - in an inspired twist - aliens.

The Cave Of Dreaming

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Author : Margaret Pearce
language : en
Publisher: Writers Exchange E-Publishing
Release Date : 2008-02-01

The Cave Of Dreaming written by Margaret Pearce and has been published by Writers Exchange E-Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-02-01 with Juvenile Fiction categories.

Mike, Alinea and their alien pet, Beeper, are expected to stay out of trouble during their holiday on an archaeological dig in Central Australia. While in the cave of the dreaming, they inadvertently trigger a time gate that sends them to another universe else entirely! To get back to the dig site, they'll have to escape an intergalactic lost property office until claimed, help their new friends, and avoid being eaten by the deadly Kloog raiding the protected planets--again. Somehow Mike doesn't think his father will accept "It's not our fault!" if he finds out they haven't been where they were supposed to be the whole time...

Sql And Relational Theory

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Author : C. Date
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2011-12-16

Sql And Relational Theory written by C. Date and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-12-16 with Computers categories.

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, you’ll learn how to deal with a host of common SQL dilemmas. Why is proper column naming so important? Nulls in your database are causing you to get wrong answers. Why? What can you do about it? Is it possible to write an SQL query to find employees who have never been in the same department for more than six months at a time? SQL supports “quantified comparisons,” but they’re better avoided. Why? How do you avoid them? Constraints are crucially important, but most SQL products don’t support them properly. What can you do to resolve this situation? Database theory and practice have evolved since the relational model was developed more than 40 years ago. SQL and Relational Theory draws on decades of research to present the most up-to-date treatment of SQL available. C.J. Date has a stature that is unique within the database industry. A prolific writer well known for the bestselling textbook An Introduction to Database Systems (Addison-Wesley), he has an exceptionally clear style when writing about complex principles and theory.

Smart Card Research And Applications

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Author : Jean-Jacques Quisquater
language : en
Publisher: Springer Science & Business Media
Release Date : 2000-09

Smart Card Research And Applications written by Jean-Jacques Quisquater and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-09 with Business & Economics categories.

This volume constitutes the thoroughly refereed post-proceedings of the Third International Conference on Smart Card Research and Advanced Applications, CARDIS'98, held in Louvain-la-Neuve, Belgium in September 1998. The 35 revised full papers presented were carefully reviewed and updated for inclusion in this book. All current aspects of smart card research and applications development are addressed, in particular: Java cards, electronic commerce, efficiency, security (including cryptographic algorithms, cryptographic protocols, and authentication), and architecture.

The Defiant Archangel Project Book 5

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Author : C. Gockel
language : en
Publisher: C. Gockel
Release Date : 2019-10-22

The Defiant Archangel Project Book 5 written by C. Gockel and has been published by C. Gockel this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-22 with Fiction categories.

The Darkness is coming … When it strikes, Volka, Carl, 6T9 and Sundancer will have to join forces with an unlikely ally to learn the key to defeating it. An ally that is cold, cunning and despises all of them—Alexis, Captain Darmadi’s wife. If Volka and Carl can manage not to kill her, 6T9 can refrain from sleeping with her, and Sundancer can keep them all from being blown up, humanity may have some hope. Strap in! It’s bound to be a bumpy ride.

Twice A Hero

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Author : Susan Krinard
language : en
Publisher: Open Road Media
Release Date : 2020-07-28

Twice A Hero written by Susan Krinard and has been published by Open Road Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-28 with Fiction categories.

A time-travel romance “with all the grace and sensuality readers have come to expect from” the New York Times–bestselling author of Star-Crossed (Library Journal). To lift a family curse, MacKenzie Sinclair heads to the Guatemalan jungle to return an amulet her great-great grandfather, Perry Sinclair, took from a Mayan temple. On that same expedition, his partner, Liam O’Shea, disappeared—possibly betrayed or killed by Perry—which started the Sinclair family’s string of bad luck. Once at the ruins of the ancient city of Tikal, Mac is sent back in time to 1884—and into the life of Liam O’Shea. Together with the headstrong, honorable, and disarmingly handsome adventurer, Mac has a chance to turn the tide of history—and the fortunes of her own heart. Praise for Susan Krinard “Susan Krinard was born to write romance.” —Amanda Quick, New York Times–bestselling author “The reading world would be a happier place if more paranormal romance writers wrote as well as Krinard.” —Contra Costa Sunday Times “A vivid, talented author with a sparkling imagination.” —Anne Stuart, New York Times–bestselling author