面向对象数据库PDF电子书下载

CHAPTER 1 1

WHAT IS MEANT BY OBJECTS？ 1

1-1￡(r)Introduction 1

1-2￡(r)Information Elements in an Object Landscape 4

1-3￡(r)Objects in a Dynamic Operating Environment 8

1-4￡(r)Understanding the Way Objects Work 11

9-7￡(r)Using the Blackboard for Interfacing to the Database 12

1-5￡(r)The Concept of a Class and its Implications 13

1-6￡(r)Semantics and the Process of Instantiation 16

1-7￡(r)Object-Oriented vs￡(r)Record-Based Models 18

1-8￡(r)Fine-Tuning the Class Characteristics 21

CHAPTER 2 24

THE CONCEPT OF INHERITANCE： 24

A CORNERSTONE IN OBJECT SOLUTIONS 24

2-1￡(r)Introduction 24

2-2￡(r)Inheritance，Specialization，and Generalization 25

2-3￡(r)Metarules，Constraints，and Equilibration 28

2-4￡(r)The Concept of Mapping 30

2-5￡(r)Data Abstraction and Procedural Abstraction 32

2-6￡(r)Object Encapsulation and Polymorphism 34

2-7￡(r)Concurrency and Dynamic Binding 36

CHAPTER 3 38

CONSTRUCTING THE OBJECT-ORIENTED 38

ENVIRONMENT 38

3-1￡(r)Introduction 38

3-2￡(r)Handling Object-Oriented Messages 40

3-3￡(r)Message Passing and Linguistic Requirements 41

3-4￡(r)Referential Integrity and Garbage Collection 43

3-5￡(r)Objects and the Trend Towards Parallelism 46

3-6￡(r)Multimedia，Versioning，and Ad-Hoc Queries 47

3-7￡(r)Serving the Enduser through Visualization 49

CHAPTER 4 52

4-1￡(r)Introduction 52

CHALLENGES WITH OBJECT-ORIENTED DATABASES 52

4-2￡(r)Database Access and Query Relevance 53

4-3￡(r)Hypermedia and Semantic Modeling 57

4-4￡(r)The Overriding Need for Software Reusability 60

4-5￡(r)The Design ofReusable Modules 62

4-6￡(r)Software Reuse and Cultural Issues 64

5-1￡(r)Introduction 66

WHY AN OBJECT DATABASE？ 66

CHAPTER 5 66

5-2￡(r)A New Look at the Database Utility 67

5-3￡(r)The Role of Metamodels in Virtual Homogeneity 70

5-4￡(r)Applications Domains for Object Databases 72

5-5￡(r)Handling ofAd Hoc Queries 74

5-6￡(r)Is Complexity the Best Solution？ 76

CHAPTER 6 80

OBJECT-ORIENTED PARADIGMS AND LONG 80

TRANSACTIONS 80

6-1￡(r)Introduction 80

6-2￡(r)An Object-Oriented Paradigm in the Database 81

6-3￡(r)Database-Wide Object Identification 82

6-4￡(r)Object Classification in a Distributed Environment 84

6-5￡(r)Transaction Processing in an Object Database 86

6-6￡(r)Making Sense of Database Heterogeneity 87

6-7￡(r)Handling Long Transactions 89

APPROACHES TO OBJECT-ORIENTED 92

PROGR AMMING 92

7-1￡(r)Introduction 92

CHAPTER 7 92

7-2￡(r)What is Object-Oriented Programming？ 93

7-3￡(r)Algorithmic and Heuristic Approaches 94

7-4￡(r)Object Programming and Metaprogramming 96

7-5￡(r)Concepts Associated with New Programming Policies 98

7-6￡(r)A Modern Methodology versus the Waterfall Model 101

8-1￡(r)Introduction 104

META-PROGRAMMING IN AN OBJECT 104

ENVIONMENT 104

CHAPTER 8 104

8-2￡(r)Object-Oriented Linguistic Solutions 105

8-3￡(r)Object SQL￡¨OSQL￡(c) 107

8-4￡(r)OSQL Primitives and Functions 109

8-5￡(r)Dynamic Processing of Object Properties 111

8-6￡(r)An Artifact in the Object Environment 114

8-7￡(r)Physical Memory，Logical Memory，and Programming 116

CHAPTER 9 119

OBJECTS AND THE PROCESS OF PROTOTYPING 119

9-1￡(r)Introduction 119

9-2￡(r)The Role of Prototyping in an Object Environment 120

9-3￡(r)Performance，Content，and Usage 121

9-4￡(r)Prototype：A Software Emulator 123

9-5￡(r)Do Prototypes，Not Stereotypes 126

9-6￡(r)Object-Oriented Blackboards 127

CHAPTER 10 132

PROTOTYPING THE DISTRIBUTED SOLUTION 132

10-1￡(r)Introduction 132

10-2￡(r)Prototypes and Software Quality 133

10-3￡(r)Graphical Approaches to Aid Human-Machine 135

Communication 135

10-4￡(r)Developing Graphics Interfaces 137

10-5￡(r)The Role of Knowledge Abstraction 138

10-6￡(r)Goals ofKnowledge Elicitation 139

10-7￡(r)The Ptech Shell 141

10-8￡(r)Classification and Method Selection 143

CHAPTER 11 145

THE NUTS AND BOLTS OF OBJECT 145

PROGRAMMING 145

11-1￡(r)Introduction 145

11-2￡(r)Basic Concepts of Object Programming 146

11-3￡(r)Typing and Instantiation 148

11-4￡(r)Role of a Data Manipulation Language 150

11-5￡(r)C??for Object-Oriented Software 152

11-6￡(r)Emerging Features of C?? 154

11-7￡(r)Program Design With C?? 155

12-1￡(r)Introduction 158

CHAPTER 12 158

SPATIAL AND TEMPORAL SEMANTICS 158

12-2￡(r)Time and Space 159

12-3￡(r)Finite or Infinite Space？ 160

12-4￡(r)Structure and Behavior 162

12-5￡(r)Computer-Generated Space 164

12-6￡(r)Logical and Physical Space 167

CHAPTER 13 169

HANDLING TEMPORAL DATABASES 169

13-1￡(r)Introduction 169

13-2￡(r)Modeling Temporal Data 170

13-3￡(r)Decision Space and Object Orientation 171

13-4￡(r)Establishing and Maintaining Temporal Relations 173

13-5￡(r)Temporal Logic 174

13-6￡(r)Patterns in Semantic Representation 175

13-7￡(r)Patterning and Fuzzy Engineering 178

CHAPTER 14 181

BEYOND RELATIONAL DATABASE MANAGEMENT 181

SYSTEMS 181

14-1￡(r)Introduction 181

14-2￡(r)Multidatabases 182

14-3￡(r)Knowledge Engineering and Semantics 183

14-4￡(r)Commodity Software for Heterogeneous Databases 185

14-5￡(r)Architecturing a Long-Transaction Environment 186

14-6￡(r)Why are Companies Interested in Object DBMS？ 188

14-7￡(r)Integrative Capabilities and Semantics Content 190

14-8￡(r)Synchronization of Updates 191

CHAPTER 15 194

LIMITATIONS IN RELATIONAL DATABASES 194

15-1￡(r)Introduction 194

15-2￡(r)Strengths and Weaknesses of Relational Databases 195

15-3￡(r)Contributions of the Relational Model 198

15-4￡(r)Premises of Relational and Object-Oriented Solutions 200

15-5￡(r)The Quest for Rigorous Solutions 202

15-6￡(r)Consistency，Concurrency，and Storage Hierarchy 204

15-7￡(r)Physical Aspects of a Multidatabase 206

CHAPTER 16 210

DBMS FOR OBJECT-ORIENTED DATABASES 210

16-1￡(r)Introduction 210

16-2￡(r)The Notion ofa Modern Database Management System 212

16-3￡(r)The Entity-Relationship Model 214

16-4￡(r)Characteristics of Object-Oriented DBMS 215

16-5￡(r)Reasons for the Advent of Object DBMS 218

16-6￡(r)Choosing Among Object-Based Commodity Software 219

16-7￡(r)Merging Data Processing and Knowledge Engineering 219

in Database Management 222

16-8￡(r)The Big Computer Companies Join the Object 222

DBMS Market 224

CHAPTER 17 227

ONTOS AND GEMSTONE 227

17-1￡(r)Introduction 227

17-2￡(r)The Ontos Approach to Database Management 228

17-3￡(r)Benefits from the Implementation ofan Object DBMS 230

17-4￡(r)Features ofa Second Generation Object DBMS 232

17-5￡(r)The Gemstone Approach to Database Management 234

17-6￡(r)The Virtual Schema Designer 236

CHAPTER 18 238

VERSANT AND OBJECT STORE 238

18-1￡(r)Introduction 238

18-2￡(r)Architecture ofthe Versant Object DBMS 239

18-3￡(r)Designer，Repository Builder，and Administrator 241

18-4￡(r)Distributed Characteristics and the Versant Repository 243

18-5￡(r)The ObjectStore DBMS 245

18-6￡(r)Minimizing Overhead Requirements 247

18-7￡(r)Collection Management and Directory Control 249

19-1￡(r)Introduction 251

CHAPTER 19 251

OBJECT ODB AND PEGASUS 251

19-2￡(r)The Open ODB Object DBMS 252

19-3￡(r)Roles ofthe Object Manager 254

19-4￡(r)Access Flexibility and SQL Extensions 256

19-5￡(r)Pegasus，for Transdatabase Solutions 258

19-6￡(r)Heterogeneous Object SQL 260

19-7￡(r)Cooperative Information Management 261

20-1￡(r)Introduction 261

CHAPTER 20 264

OBJECT-ORIENTED DBMS MADE IN JAPAN 264

20-2￡(r)An Overriding Demand for Practical Applications 265

20-3￡(r)The Mandrill Approach to Multimedia Database Management 268

20-4￡(r)Generalization and Specialization in Mandrill 270

20-5￡(r)Object Manager，Object Selector，and Methods Trigger 273

20-6￡(r)Object Database Management by Odin 274

20-7￡(r)The Management Information Base￡¨MIB￡(c)by Mitsubishi 277

CHAPTER 21 280

OBJECTS AND DATA LEVEL PAR ALLELISM 280

21-1￡(r)Introduction 280

21-2￡(r)Parallel Data Algorithms and Architectures 281

21-3￡(r)The Practical Efiects ofParallelism 283

21-4￡(r)Dataflow and Interdatabase Communications 285

21-5￡(r)Recursive Data Parallelism 287

21-6￡(r)Associative Storage and Array Logic 290

21-7￡(r)Can Classical DP Answer the Challenge？ 291

CHAPTER 22 294

THE CHALLENGE OF HIGH PERFOR MANCE 294

COMPUTING 294

22-1￡(r)Introduction 294

22-2￡(r)Objects in a Hypercube Architecture 295

22-3￡(r)Solutions for Input/Output-Intensive Applications 296

22-4￡(r)Data Parallelism on a Hypercube 297

22-5￡(r)A Hypercube Database Management Solution 299

22-6￡(r)Spatial Object Management Enriched by Knowledge 299

Engineering 301

22-7￡(r)New Perspectives in Computation 303

INDEX 305

ACKNOWLEDGMENTS 313