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Sinopsis
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 future
- Help with a "roll your own" implementation, absent such product improvements
- Make you aware of the crucial role of predicates and constraints
- Show you how relational products are really supposed to behave
Anyone with a professional interest in the relational model, relational technology, or database systems in general can benefit from this book.
"Sinopsis" puede pertenecer a otra edición de este libro.
Acerca del autor
C.J. Date has a stature that is unique within the database industry. C.J. is a prolific writer, and is well-known for his best-selling textbook: An Introduction to Database Systems (Addison Wesley). C.J. is an exceptionally clear-thinking writer who can lay out principles and theory in a way easily understood by his audience.
"Sobre este título" puede pertenecer a otra edición de este libro.
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View Updating and Relational Theory: Solving the View Update Problem
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O'Reilly Media, 2013
ISBN 10: 1449357849
ISBN 13: 9781449357849
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View Updating and Relational Theory
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View Updating and Relational Theory: Solving the View Update Problem
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ISBN 10: 1449357849
ISBN 13: 9781449357849
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View Updating and Relational Theory
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View Updating and Relational Theory: Robust Methods for Keeping Data in Sync
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O'Reilly Media, Inc, USA, 2013
ISBN 10: 1449357849
ISBN 13: 9781449357849
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View Updating and Relational Theory
Librería: Rarewaves USA, OSWEGO, IL, Estados Unidos de America
Calificación del vendedor: 5 de 5 estrellas
Paperback. Condición: New. 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 future Help with a "roll your own" implementation, absent such product improvements Make you aware of the crucial role of predicates and constraints Show you how relational products are really supposed to behave Anyone with a professional interest in the relational model, relational technology, or database systems in general can benefit from this book. Nº de ref. del artículo: LU-9781449357849
Cantidad disponible: Más de 20 disponibles
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View Updating and Relational Theory
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View Updating and Relational Theory: Solving the View Update Problem
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View Updating and Relational Theory
Publicado por
O'Reilly Media, 2013
ISBN 10: 1449357849
ISBN 13: 9781449357849
Antiguo o usado
Tapa blanda
Librería: GreatBookPrices, Columbia, MD, Estados Unidos de America
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View Updating and Relational Theory
Librería: Rarewaves USA United, OSWEGO, IL, Estados Unidos de America
Calificación del vendedor: 5 de 5 estrellas
Paperback. Condición: New. 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 future Help with a "roll your own" implementation, absent such product improvements Make you aware of the crucial role of predicates and constraints Show you how relational products are really supposed to behave Anyone with a professional interest in the relational model, relational technology, or database systems in general can benefit from this book. Nº de ref. del artículo: LU-9781449357849
Cantidad disponible: Más de 20 disponibles