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210123 ||| eng |
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|a 9780128006757
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|a 0128006315
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|a 0128006757
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| 050 |
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4 |
|a QA76.9.D3
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| 100 |
1 |
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|a Date, C. J.
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| 245 |
0 |
0 |
|a Time and relational theory
|b temporal databases in the relational model and SQL
|c C.J. Date, Hugh Darwen, Nikos A. Lorentozos
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| 250 |
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|a 2nd ed
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| 260 |
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|a Waltham, MA
|b Morgan Kaufmann
|c 2014
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| 300 |
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|a 1 volume
|b illustrations
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| 505 |
0 |
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|a During Relvars OnlyA New Normal Form; "The Moving Point now"; Both Since and During Relvars; Concluding Remarks; Exercises; Answers; Chapter 13: Database Design II: Keys and Related Constraints; Simplifying the Running Example; The Redundancy Problem; The Circumlocution Problem; PACKED ON; The Contradiction Problem; WHEN / THEN; Combining Specifications; PACKED ON without WHEN / THEN; WHEN / THEN without PACKED ON; Neither PACKED ON nor WHEN / THEN; Keys Revisited; Putting it all Tgether; Exercises; Answers; Chapter 14: Database Design III: General Constraints; The Nine Requirements
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| 505 |
0 |
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|a AnswersChapter 7: Interval Operators; Notation; Interval Comparisons; "Set Operators"; Queries; Concluding Remarks; Exercises; Answers; Chapter 8: The EXPAND and COLLAPSE Operators; Preliminary Remarks; Expanded Form; Collapsed Form; Operator Definitions; Unary Relations; Nullary Relations; Exercises; Answers; Chapter 9: The PACK and UNPACK Operators I: The Single-Attribute Case; Preliminary Examples; Packed Form; Unpacked Form; Further Queries; Exercises; Answers; Chapter 10: The PACK and UNPACK Operators II: The Multiattribute Case; PACKING and UNPACKING ON no Attributes
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| 505 |
0 |
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|a Includes bibliographical references and index
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| 505 |
0 |
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|a UNPACKING ON Two or More AttributesPACKING ON Two or More Attributes; A Logical Difference; Equivalence of Relations; Expand and Collapse Revisited; Some Remarks On Redundancy; A More Complex Example; Exercises; Answers; Chapter 11: Generalizing the Algebraic Operators; A Motivating Example; Dyadic Operators; n-Adic Operators; Monadic Operators; Relational Comparisons; The Underlying Intuition; The Regular Operators Revisited; Exercises; Answers; Part III: Building on the Foundations; Chapter 12: Database Design I: Structure; The Running Example Revisited; Since Relvars Only
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| 505 |
0 |
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|a Front Cover; Time and Relational Theory; Copyright; Dedication; About the Authors; Contents; Preface; Part I: A Review of Relational Concepts; Chapter 1: Types and Relations; The Running Example; Types; Relations; Exercises; Answers; Chapter 2: Relational Algebra; Rename; Restrict; Project; Union, Intersect, and Minus; Join; Matching and Not Matching; Extend; Image Relations; Group and Ungroup; Extend bis; Relational Comparisons; Formulating Expressions One Step at a Time; Relational Completeness; Exercises; Answers; Chapter 3: Relation Variables; Relations vs. Relvars; Relational Assignment
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| 505 |
0 |
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|a KeysForeign Keys; Database Constraints; Views; The Relational Model; Exercises; Answers; Part II: Laying the Foundations; Chapter 4: Time and the Database; Temporal Databases; Timestamped Propositions; Valid Time vs. Transaction Time; Some Fundamental Questions; Exercises; Answers; Chapter 5: What's the Problem?; Revising the Running Example; Sample Constraints and Queries; Semitemporalizing the Example; Fully Temporalizing the Example; Exercises; Answers; Chapter 6: Intervals; What's an Interval?; Applications of Intervals; Point and Interval Types; A More Searching Example; Exercises
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| 653 |
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|a COMPUTERS / System Administration / Storage & Retrieval / bisacsh
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| 653 |
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|a Bases de données / Gestion
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| 653 |
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|a COMPUTERS / Desktop Applications / Databases / bisacsh
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| 653 |
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|a Bases de données spatio-temporelles
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| 653 |
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|a COMPUTERS / Database Management / General / bisacsh
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| 653 |
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|a Database management / http://id.loc.gov/authorities/subjects/sh85035848
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| 653 |
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|a Temporal databases / fast
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| 653 |
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|a Temporal databases / http://id.loc.gov/authorities/subjects/sh93000041
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| 653 |
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|a Database management / fast
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| 700 |
1 |
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|a Darwen, Hugh
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| 700 |
1 |
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|a Lorentzos, Nikos A.
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| 041 |
0 |
7 |
|a eng
|2 ISO 639-2
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| 989 |
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|b OREILLY
|a O'Reilly
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| 490 |
0 |
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|a The Morgan Kaufmann Series in Data Management Systems
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| 776 |
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|z 9780128006313
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| 856 |
4 |
0 |
|u https://learning.oreilly.com/library/view/~/9780128006313/?ar
|x Verlag
|3 Volltext
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| 082 |
0 |
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|a 658
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| 082 |
0 |
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|a 005.7565
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| 520 |
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|a Annotation
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