Read View Updating and Relational Theory: Solving the View Update Problem

View Updating and Relational Theory: Solving the View Update Problem

C.J. Date

4.9/5 (9421 ratings)

Description:Views are virtual tables. That means they should be updatable, just as "real" or base tables are. In fact, view updatability isn’t just desirable, it’s crucial, for practical reasons as well as theoretical ones. But view updating has always been a controversial topic. Ever since the relational model first appeared, there has been widespread skepticism as to whether (in general) view updating is even possible.In stark contrast to this conventional wisdom, this book shows how views, just like base tables, can always be updated (so long as the updates don’t violate any integrity constraints). More generally, it shows how updating always ought to work, regardless of whether the target is a base table or a view. The proposed scheme is 100% consistent with the relational model, but rather different from the way updating works in SQL products today.This book can:Help database products improve in the futureHelp with a "roll your own" implementation, absent such product improvementsMake you aware of the crucial role of predicates and constraintsShow you how relational products are really supposed to behaveAnyone with a professional interest in the relational model, relational technology, or database systems in general can benefit from this book.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with View Updating and Relational Theory: Solving the View Update Problem. To get started finding View Updating and Relational Theory: Solving the View Update Problem, you are right to find our website which has a comprehensive collection of manuals listed.
Our library is the biggest of these that have literally hundreds of thousands of different products represented.

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ISBN: 1449357849

Description: Views are virtual tables. That means they should be updatable, just as "real" or base tables are. In fact, view updatability isn’t just desirable, it’s crucial, for practical reasons as well as theoretical ones. But view updating has always been a controversial topic. Ever since the relational model first appeared, there has been widespread skepticism as to whether (in general) view updating is even possible.In stark contrast to this conventional wisdom, this book shows how views, just like base tables, can always be updated (so long as the updates don’t violate any integrity constraints). More generally, it shows how updating always ought to work, regardless of whether the target is a base table or a view. The proposed scheme is 100% consistent with the relational model, but rather different from the way updating works in SQL products today.This book can:Help database products improve in the futureHelp with a "roll your own" implementation, absent such product improvementsMake you aware of the crucial role of predicates and constraintsShow you how relational products are really supposed to behaveAnyone with a professional interest in the relational model, relational technology, or database systems in general can benefit from this book.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with View Updating and Relational Theory: Solving the View Update Problem. To get started finding View Updating and Relational Theory: Solving the View Update Problem, you are right to find our website which has a comprehensive collection of manuals listed.
Our library is the biggest of these that have literally hundreds of thousands of different products represented.

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View Updating and Relational Theory: Solving the View Update Problem

View Updating and Relational Theory: Solving the View Update Problem

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