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Database Systems Thomas Connolly

Database Systems By Thomas Connolly

Database Systems by Thomas Connolly

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Database Systems Summary

Database Systems: A Practical Approach to Design, Implementation, and Management by Thomas Connolly

Database Systems is ideal for a one- or two-term course in database management or database design in an undergraduate or graduate level course. With its comprehensive coverage, this book can also be used as a reference for IT professionals. This best-selling text introduces the theory behind databases in a concise yet comprehensive manner, providing database design methodology that can be used by both technical and non-technical readers. The methodology for relational Database Management Systems is presented in simple, step-by-step instructions in conjunction with a realistic worked example using three explicit phases-conceptual, logical, and physical database design. ? Teaching and Learning Experience This program presents a better teaching and learning experience-for you and your students. It provides: Database Design Methodology that can be Used by Both Technical and Non-technical Readers A Comprehensive Introduction to the Theory behind Databases A Clear Presentation that Supports Learning

About Thomas Connolly

Thomas M. Connolly is the head of the Computing and Information Systems division at the University of Paisley. Carolyn E. Begg is a lecturer at the University of Paisley, with research interests in Information Systems, Database Management Systems, and Decision Support Systems within medicine.

Table of Contents

Part 1 Background 1 Chapter 1 Introduction to Databases 3 1.1 Introduction 4 1.2 Traditional File-Based Systems 7 1.2.1 File-Based Approach 7 1.2.2 Limitations of the File-Based Approach 12 1.3 Database Approach 14 1.3.1 The Database 15 1.3.2 The Database Management System (DBMS) 16 1.3.3 (Database) Application Programs 17 1.3.4 Components of the DBMS Environment 18 1.3.5 Database Design: The Paradigm Shift 21 1.4 Roles in the Database Environment 21 1.4.1 Data and Database Administrators 21 1.4.2 Database Designers 22 1.4.3 Application Developers 23 1.4.4 End-Users 23 1.5 History of Database Management Systems 23 1.6 Advantages and Disadvantages of DBMSs 27 Chapter Summary 31 Review Questions 32 Exercises 32 Chapter 2 Database Environment 35 2.1 The Three-Level ANSI-SPARC Architecture 36 2.1.1 External Level 37 2.1.2 Conceptual Level 38 2.1.3 Internal Level 38 2.1.4 Schemas, Mappings, and Instances 39 2.1.5 Data Independence 40 2.2 Database Languages 41 2.2.1 The Data Definition Language (DDL) 42 2.2.2 The Data Manipulation Language (DML) 42 2.2.3 Fourth-Generation Languages (4GLs) 44 2.3 Data Models and Conceptual Modeling 45 2.3.1 Object-Based Data Models 46 2.3.2 Record-Based Data Models 46 2.3.3 Physical Data Models 49 2.3.4 Conceptual Modeling 49 2.4 Functions of a DBMS 49 Chapter Summary 54 Review Questions 55 Exercises 56 Chapter 3 Database Architectures and the Web 57 3.1 Multi-user DBMS Architectures 58 3.1.1 Teleprocessing 58 3.1.2 File-Server Architecture 59 3.1.3 Traditional Two-Tier Client-Server Architecture 60 3.1.4 Three-Tier Client-Server Architecture 63 3.1.5 N-Tier Architectures 64 3.1.6 Middleware 65 3.1.7 Transaction Processing Monitors 67 3.2 Web Services and Service-Oriented Architectures 69 3.2.1 Web Services 69 3.2.2 Service-Oriented Architectures (SOA) 71 3.3 Distributed DBMSs 72 3.4 Data Warehousing 75 3.5 Cloud Computing 77 3.5.1 Benefits and Risks of Cloud Computing 79 3.5.2 Cloud-based database solutions 82 3.6 Components of a DBMS 86 3.7 Oracle Architecture 89 3.7.1 Oracle's Logical Database Structure 89 3.7.2 Oracle's Physical Database Structure 92 Chapter Summary 96 Review Questions 97 Exercises 97 Part 2 The Relational Model and Languages 99 Chapter 4 The Relational Model 101 4.1 Brief History of the Relational Model 102 4.2 Terminology 104 4.2.1 Relational Data Structure 104 4.2.2 Mathematical Relations 107 4.2.3 Database Relations 108 4.2.4 Properties of Relations 108 4.2.5 Relational Keys 110 4.2.6 Representing Relational Database Schemas 111 4.3 Integrity Constraints 113 4.3.1 Nulls 113 4.3.2 Entity Integrity 114 4.3.3 Referential Integrity 114 4.3.4 General Constraints 115 4.4 Views 115 4.4.1 Terminology 115 4.4.2 Purpose of Views 116 4.4.3 Updating Views 117 Chapter Summary 117 Review Questions 118 Exercises 118 Chapter 5 Relational Algebra and Relational Calculus 119 5.1 The Relational Algebra 120 5.1.1 Unary Operations 120 5.1.2 Set Operations 123 5.1.3 Join Operations 126 5.1.4 Division Operation 129 5.1.5 Aggregation and Grouping Operations 130 5.1.6 Summary of the Relational Algebra Operations 132 5.2 The Relational Calculus 133 5.2.1 Tuple Relational Calculus 133 5.2.2 Domain Relational Calculus 136 5.3 Other Languages 138 Chapter Summary 139 Review Questions 139 Exercises 140 Chapter 6 SQL: Data Manipulation 143 6.1 Introduction to SQL 144 6.1.1 Objectives of SQL 144 6.1.2 History of SQL 145 6.1.3 Importance of SQL 147 6.1.4 Terminology 147 6.2 Writing SQL Commands 147 6.3 Data Manipulation 148 6.3.1 Simple Queries 149 6.3.2 Sorting Results (ORDER BY Clause) 157 6.3.3 Using the SQL Aggregate Functions 159 6.3.4 Grouping Results (GROUP BY Clause) 161 6.3.5 Subqueries 164 6.3.6 ANY and ALL 166 6.3.7 Multi-table Queries 168 6.3.8 EXISTS and NOT EXISTS 174 6.3.9 Combining Result Tables (UNION, INTERSECT, EXCEPT) 175 6.3.10 Database Updates 177 Chapter Summary 181 Review Questions 182 Exercises 182 Chapter 7 SQL: Data Definition 185 7.1 The ISO SQL Data Types 186 7.1.1 SQL Identifiers 186 7.1.2 SQL Scalar Data Types 187 7.2 Integrity Enhancement Feature 192 7.2.1 Required Data 192 7.2.2 Domain Constraints 192 7.2.3 Entity Integrity 193 7.2.4 Referential Integrity 194 7.2.5 General Constraints 195 7.3 Data Definition 196 7.3.1 Creating a Database 196 7.3.2 Creating a Table (CREATE TABLE) 197 7.3.3 Changing a Table Definition (ALTER TABLE) 200 7.3.4 Removing a Table (DROP TABLE) 201 7.3.5 Creating an Index (CREATE INDEX) 202 7.3.6 Removing an Index (DROP INDEX) 202 7.4 Views 203 7.4.1 Creating a View (CREATE VIEW) 203 7.4.2 Removing a View (DROP VIEW) 205 7.4.3 View Resolution 206 7.4.4 Restrictions on Views 207 7.4.5 View Updatability 207 7.4.6 WITH CHECK OPTION 208 7.4.7 Advantages and Disadvantages of Views 210 7.4.8 View Materialization 212 7.5 Transactions 213 7.5.1 Immediate and Deferred Integrity Constraints 214 7.6 Discretionary Access Control 214 7.6.1 Granting Privileges to Other Users (GRANT) 216 7.6.2 Revoking Privileges from Users (REVOKE) 217 Chapter Summary 219 Review Questions 220 Exercises 220 Chapter 8 Advanced SQL 223 8.1 The SQL Programming Language 224 8.1.1 Declarations 224 8.1.2 Assignments 225 8.1.3 Control Statements 226 8.1.4 Exceptions in PL/SQL 228 8.1.5 Cursors in PL/SQL 229 8.2 Subprograms, Stored Procedures, Functions, and Packages 232 8.3 Triggers 233 8.4 Recursion 239 Chapter Summary 240 Review Questions 241 Exercises 241 Chapter 9 Object-Relational DBMSs 243 9.1 Advanced Database Applications 244 9.2 Weaknesses of RDBMSs 249 9.3 Storing Objects in a Relational Database 254 9.3.1 Mapping Classes to Relations 255 9.3.2 Accessing Objects in the Relational Database 256 9.4 Introduction to Object-Relational Database Systems 257 9.5 SQL:2011 260 9.5.1 Row Types 261 9.5.2 User-Defined Types 262 9.5.3 Subtypes and Supertypes 265 9.5.4 User-Defined Routines 266 9.5.5 Polymorphism 269 9.5.6 Reference Types and Object Identity 270 9.5.7 Creating Tables 270 9.5.8 Querying Data 273 9.5.9 Collection Types 275 9.5.10 Typed Views 278 9.5.11 Persistent Stored Modules 279 9.5.12 Triggers 279 9.5.13 Large Objects 282 9.5.14 Recursion 283 9.6 Object-Oriented Extensions in Oracle 283 9.6.1 User-Defined Data Types 284 9.6.2 Manipulating Object Tables 289 9.6.3 Object Views 290 9.6.4 Privileges 291 Chapter Summary 292 Review Questions 292 Exercises 293 Part 3 Database Analysis and Design 295 Chapter 10 Database System Development Lifecycle 297 10.1 The Information Systems Lifecycle 298 10.2 The Database System Development Lifecycle 299 10.3 Database Planning 299 10.4 System Definition 302 10.4.1 User Views 302 10.5 Requirements Collection and Analysis 302 10.5.1 Centralized Approach 304 10.5.2 View Integration Approach 304 10.6 Database Design 306 10.6.1 Approaches to Database Design 307 10.6.2 Data Modeling 307 10.6.3 Phases of Database Design 308 10.7 DBMS Selection 311 10.7.1 Selecting the DBMS 311 10.8 Application Design 315 10.8.1 Transaction Design 316 10.8.2 User Interface Design Guidelines 317 10.9 Prototyping 319 10.10 Implementation 319 10.11 Data Conversion and Loading 320 10.12 Testing 320 10.13 Operational Maintenance 321 10.14 CASE Tools 322 Chapter Summary 324 Review Questions 325 Exercises 326 Chapter 11 Database Analysis and the DreamHome Case Study 327 11.1 When Are Fact-Finding Techniques Used? 328 11.2 What Facts Are Collected? 329 11.3 Fact-Finding Techniques 330 11.3.1 Examining Documentation 330 11.3.2 Interviewing 330 11.3.3 Observing the Enterprise in Operation 331 11.3.4 Research 332 11.3.5 Questionnaires 332 11.4 Using Fact-Finding Techniques: A Worked -Example 333 11.4.1 The DreamHome Case Study-An Overview of the Current System 334 11.4.2 The DreamHome Case Study-Database Planning 338 11.4.3 The DreamHome Case Study-System Definition 344 11.4.4 The DreamHome Case Study-Requirements Collection and Analysis 345 11.4.5 The DreamHome Case Study-Database Design 353 Chapter Summary 354 Review Questions 354 Exercises 354 Chapter 12 Entity-Relationship Modeling 357 12.1 Entity Types 358 12.2 Relationship Types 360 12.2.1 Degree of Relationship Type 362 12.2.2 Recursive Relationship 364 12.3 Attributes 365 12.3.1 Simple and Composite Attributes 365 12.3.2 Single-valued and Multi-valued Attributes 366 12.3.3 Derived Attributes 366 12.3.4 Keys 367 12.4 Strong and Weak Entity Types 369 12.5 Attributes on Relationships 370 12.6 Structural Constraints 371 12.6.1 One-to-One (1:1) Relationships 372 12.6.2 One-to-Many (1:*) Relationships 373 12.6.3 Many-to-Many (*:*) Relationships 374 12.6.4 Multiplicity for Complex Relationships 375 12.6.5 Cardinality and Participation Constraints 376 12.7 Problems with ER Models 378 12.7.1 Fan Traps 378 12.7.2 Chasm Traps 380 Chapter Summary 382 Review Questions 382 Exercises 383 Chapter 13 Enhanced Entity-Relationship Modeling 385 13.1 Specialization/Generalization 386 13.1.1 Superclasses and Subclasses 386 13.1.2 Superclass/Subclass Relationships 387 13.1.3 Attribute Inheritance 388 13.1.4 Specialization Process 388 13.1.5 Generalization Process 389 13.1.6 Constraints on Specialization/Generalization 392 13.1.7 Worked Example of using Specialization/ Generalization to Model the Branch View of the DreamHome Case Study 393 13.2 Aggregation 397 13.3 Composition 398 Chapter Summary 399 Review Questions 400 Exercises 400 Chapter 14 Normalization 403 14.1 The Purpose of Normalization 404 14.2 How Normalization Supports Database Design 405 14.3 Data Redundancy and Update Anomalies 406 14.3.1 Insertion Anomalies 407 14.3.2 Deletion Anomalies 407 14.3.3 Modification Anomalies 408 14.4 Functional Dependencies 408 14.4.1 Characteristics of Functional Dependencies 408 14.4.2 Identifying Functional Dependencies 412 14.4.3 Identifying the Primary Key for a Relation Using Functional Dependencies 415 14.5 The Process of Normalization 416 14.6 First Normal Form (1NF) 418 14.7 Second Normal Form (2NF) 422 14.8 Third Normal Form (3NF) 423 14.9 General Definitions of 2NF and 3NF 425 Chapter Summary 427 Review Questions 427 Exercises 428 Chapter 15 Advanced Normalization 433 15.1 More on Functional Dependencies 434 15.1.1 Inference Rules for Functional Dependencies 434 15.1.2 Minimal Sets of Functional Dependencies 436 15.2 Boyce-Codd Normal Form (BCNF) 437 15.2.1 Definition of BCNF 437 15.3 Review of Normalization Up to BCNF440 15.4 Fourth Normal Form (4NF) 445 15.4.1 Multi-Valued Dependency 446 15.4.2 Definition of Fourth Normal Form 447 15.5 Fifth Normal Form (5NF) 447 15.5.1 Lossless-Join Dependency 448 15.5.2 Definition of Fifth Normal Form 448 Chapter Summary 450 Review Questions 450 Exercises 451 Part 4 Methodology 453 Chapter 16 Methodology-Conceptual Database Design 455 16.1 Introduction to the Database Design Methodology 456 16.1.1 What Is a Design Methodology? 456 16.1.2 Conceptual, Logical, and Physical Database Design 457 16.1.3 Critical Success Factors in Database Design 457 16.2 Overview of the Database Design Methodology 458 16.3 Conceptual Database Design Methodology 460 Step 1: Build Conceptual Data Model 460 Chapter Summary 476 Review Questions 476 Exercises 477 Chapter 17 Methodology-Logical Database Design for the Relational Model 479 17.1 Logical Database Design Methodology for the Relational Model 480 Step 2: Build Logical Data Model 480 Chapter Summary 508 Review Questions 509 Exercises 509 Chapter 18 Methodology-Physical Database Design for Relational Databases 513 18.1 Comparison of Logical and Physical Database Design 514 18.2 Overview of the Physical Database Design Methodology 515 18.3 The Physical Database Design Methodology for Relational Databases 516 Step 3: Translate Logical Data Model for Target DBMS 516 Step 4: Design File Organizations and Indexes 521 Step 5: Design User Views 534 Step 6: Design Security Mechanisms 534 Chapter Summary 535 Review Questions 536 Exercises 536 Chapter 19 Methodology-Monitoring and Tuning the Operational System 537 19.1 Denormalizing and Introducing Controlled Redundancy 537 Step 7: Consider the Introduction of Controlled Redundancy 537 19.2 Monitoring the System to Improve Performance 550 Step 8: Monitor and Tune the Operational System 550 Chapter Summary 554 Review Questions 555 Exercises 555 Part 5 Selected Database Issues 557 Chapter 20 Security and Administration 559 20.1 Database Security 560 20.1.1 Threats 561 20.2 Countermeasures-Computer-Based Controls 563 20.2.1 Authorization 564 20.2.2 Access Controls 565 20.2.3 Views 568 20.2.4 Backup and Recovery 568 20.2.5 Integrity 569 20.2.6 Encryption 569 20.2.7 RAID (Redundant Array of Independent Disks) 570 20.3 Security in Microsoft Office Access DBMS 573 20.4 Security in Oracle DBMS 575 20.5 DBMSs and Web Security 579 20.5.1 Proxy Servers 580 20.5.2 Firewalls 580 20.5.3 Message Digest Algorithms and Digital Signatures 581 20.5.4 Digital Certificates 581 20.5.5 Kerberos 582 20.5.6 Secure Sockets Layer and Secure HTTP 582 20.5.7 Secure Electronic Transactions and Secure Transaction Technology 583 20.5.8 Java Security 584 20.5.9 ActiveX Security 586 20.6 Data Administration and Database Administration 586 20.6.1 Data Administration 587 20.6.2 Database Administration 588 20.6.3 Comparison of Data and Database Administration 588 Chapter Summary 589 Review Questions 590 Exercises 590 Chapter 21 Professional, Legal, and Ethical Issues in Data Management 593 21.1 Defining Legal and Ethical Issues in IT 594 21.1.1 Defining Ethics in the Context of IT 594 21.1.2 The Difference Between Ethical and Legal Behavior 595 21.1.3 Ethical Behavior in IT 596 21.2 Legislation and Its Impact on the IT Function 597 21.2.1 Securities and Exchange Commission (SEC) Regulation National Market System (NMS) 597 21.2.2 The Sarbanes-Oxley Act, COBIT, and COSO 598 21.2.3 The Health Insurance Portability and Accountability Act 601 21.2.4 The European Union (EU) Directive on Data Protection of 1995 602 21.2.5 The United Kingdom's Data Protection Act of 1998 603 21.2.6 Access to Information Laws 604 21.2.7 International Banking-Basel II Accords 606 21.3 Establishing a Culture of Legal and Ethical Data Stewardship 607 21.3.1 Developing an Organization-Wide Policy for Legal and Ethical Behavior 607 21.3.2 Professional Organizations and Codes of Ethics 608 21.3.3 Developing an Organization-Wide Policy for Legal and Ethical Behavior for DreamHome 611 21.4 Intellectual Property 612 21.4.1 Patent 613 21.4.2 Copyright 613 21.4.3 Trademark 614 21.4.4 Intellectual Property Rights Issues for Software 614 21.4.5 Intellectual Property Rights Issues for Data 616 Chapter Summary 616 Review Questions 617 Exercises 618 Chapter 22 Transaction Management 619 22.1 Transaction Support 620 22.1.1 Properties of Transactions 623 22.1.2 Database Architecture 623 22.2 Concurrency Control 624 22.2.1 The Need for Concurrency Control 624 22.2.2 Serializability and Recoverability 627 22.2.3 Locking Methods 635 22.2.4 Deadlock 641 22.2.5 Timestamping Methods 644 22.2.6 Multiversion Timestamp Ordering 647 22.2.7 Optimistic Techniques 648 22.2.8 Granularity of Data Items 649 22.3 Database Recovery 652 22.3.1 The Need for Recovery 652 22.3.2 Transactions and Recovery 653 22.3.3 Recovery Facilities 656 22.3.4 Recovery Techniques 659 22.3.5 Recovery in a Distributed DBMS 661 22.4 Advanced Transaction Models 661 22.4.1 Nested Transaction Model 663 22.4.2 Sagas 664 22.4.3 Multilevel Transaction Model 665 22.4.4 Dynamic Restructuring 666 22.4.5 Workflow Models 667 22.5 Concurrency Control and Recovery in Oracle 668 22.5.1 Oracle's Isolation Levels 669 22.5.2 Multiversion Read Consistency 669 22.5.3 Deadlock Detection 671 22.5.4 Backup and Recovery 671 Chapter Summary 674 Review Questions 675 Exercises 676 Chapter 23 Query Processing 679 23.1 Overview of Query Processing 681 23.2 Query Decomposition 684 23.3 Heuristical Approach to Query Optimization 688 23.3.1 Transformation Rules for the Relational Algebra Operations 688 23.3.2 Heuristical Processing Strategies 693 23.4 Cost Estimation for the Relational Algebra Operations 694 23.4.1 Database Statistics 694 23.4.2 Selection Operation (S = sp(R)) 695 23.4.3 Join Operation (T = (R 1F S)) 702 23.4.4 Projection Operation (S = pA1, A2, . . . , A m(R)) 709 23.4.5 The Relational Algebra Set Operations (T = R ? S, T = R > S, T = R - S) 711 23.5 Enumeration of Alternative Execution Strategies 712 23.5.1 Pipelining 713 23.5.2 Linear Trees 713 23.5.3 Physical Operators and Execution Strategies 714 23.5.4 Reducing the Search Space 716 23.5.5 Enumerating Left-Deep Trees 717 23.5.6 Semantic Query Optimization 718 23.5.7 Alternative Approaches to Query Optimization 719 23.5.8 Distributed Query Optimization 720 23.6 Query Processing and Optimization 720 23.6.1 New Index Types 723 23.7 Query Optimization in Oracle 724 23.7.1 Rule-Based and Cost-Based Optimization 724 23.7.2 Histograms 728 23.7.3 Viewing the Execution Plan 730 Chapter Summary 731 Review Questions 732 Exercises 733 Part 6 Distributed DBMSs and Replication 735 Chapter 24 Distributed DBMSs-Concepts and Design 737 24.1 Introduction 738 24.1.1 Concepts 739 24.1.2 Advantages and Disadvantages of DDBMSs 743 24.1.3 Homogeneous and Heterogeneous DDBMSs 746 24.2 Overview of Networking 749 24.3 Functions and Architectures of a DDBMS 753 24.3.1 Functions of a DDBMS 753 24.3.2 Reference Architecture for a DDBMS 753 24.3.3 Reference Architecture for a Federated MDBS 755 24.3.4 Component Architecture for a DDBMS 756 24.4 Distributed Relational Database Design 757 24.4.1 Data Allocation 758 24.4.2 Fragmentation 759 24.5 Transparencies in a DDBMS 768 24.5.1 Distribution Transparency 768 24.5.2 Transaction Transparency 771 24.5.3 Performance Transparency 774 24.5.4 DBMS Transparency 776 24.5.5 Summary of Transparencies in a DDBMS 776 24.6 Date's Twelve Rules for a DDBMS 777 Chapter Summary 779 Review Questions 780 Exercises 780 Chapter 25 Distributed DBMSs-Advanced Concepts 783 25.1 Distributed Transaction Management 784 25.2 Distributed Concurrency Control 785 25.2.1 Objectives 785 25.2.2 Distributed Serializability 786 25.2.3 Locking Protocols 786 25.3 Distributed Deadlock Management 789 25.4 Distributed Database Recovery 792 25.4.1 Failures in a Distributed Environment 793 25.4.2 How Failures Affect Recovery 794 25.4.3 Two-Phase Commit (2PC) 794 25.4.4 Three-Phase Commit (3PC) 801 25.4.5 Network Partitioning 804 25.5 The X/Open Distributed Transaction Processing Model 806 25.6 Distributed Query Optimization 808 25.6.1 Data Localization 810 25.6.2 Distributed Joins 813 25.6.3 Global Optimization 814 25.7 Distribution in Oracle 818 25.7.1 Oracle's DDBMS Functionality 818 Chapter Summary 824 Review Questions 824 Exercises 825 Chapter 26 Replication and Mobile Databases 827 26.1 Introduction to Data Replication 828 26.1.1 Applications of Replication 829 26.1.2 Replication Model 830 26.1.3 Functional Model of Replication Protocols 831 26.1.4 Consistency 832 26.2 Replication Architecture 832 26.2.1 Kernel-Based Replication 832 26.2.2 Middleware-Based Replication 833 26.2.3 Processing of Updates 834 26.2.4 Propagation of Updates 836 26.2.5 Update Location (Data Ownership) 836 26.2.6 Termination Protocols 840 26.3 Replication Schemes 840 26.3.1 Eager Primary Copy 841 26.3.2 Lazy Primary Copy 846 26.3.3 Eager Update Anywhere 850 26.3.4 Lazy Update Anywhere 851 26.3.5 Update Anywhere with Uniform Total Order Broadcast 855 26.3.6 SI and Uniform Total Order Broadcast Replication 859 26.4 Introduction to Mobile Databases 865 26.4.1 Mobile DBMSs 867 26.4.2 Issues with Mobile DBMSs 868 26.5 Oracle Replication 881 26.5.1 Oracle's Replication Functionality 881 Chapter Summary 888 Review Questions 889 Exercises 889 Part 7 Object DBMSs 891 Chapter 27 Object-Oriented DBMSs-Concepts and Design 893 27.1 Next-Generation Database Systems 895 27.2 Introduction to OODBMSs 897 27.2.1 Definition of Object-Oriented DBMSs 897 27.2.2 Functional Data Models 898 27.2.3 Persistent Programming Languages 903 27.2.4 Alternative Strategies for Developing an OODBMS 905 27.3 Persistence in OODBMSs 906 27.3.1 Pointer Swizzling Techniques 908 27.3.2 Accessing an Object 911 27.3.3 Persistence Schemes 913 27.3.4 Orthogonal Persistence 914 27.4 Issues in OODBMSs 916 27.4.1 Transactions 916 27.4.2 Versions 917 27.4.3 Schema Evolution 918 27.4.4 Architecture 921 27.4.5 Benchmarking 923 27.5 Advantages and Disadvantages of OODBMSs 926 27.5.1 Advantages 926 27.5.2 Disadvantages 928 27.6 Comparison of ORDBMS and OODBMS 930 27.7 Object-Oriented Database Design 931 27.7.1 Comparison of Object-Oriented Data Modeling and Conceptual Data Modeling 931 27.7.2 Relationships and Referential Integrity 932 27.7.3 Behavioral Design 934 27.8 Object-Oriented Analysis and Design with UML 936 27.8.1 UML Diagrams 937 27.8.2 Usage of UML in the Methodology for Database Design 942 Chapter Summary 944 Review Questions 945 Exercises 945 Chapter 28 Object-Oriented DBMSs-Standards and Systems 947 28.1 Object Management Group 948 28.1.1 Background 948 28.1.2 The Common Object Request Broker Architecture 951 28.1.3 Other OMG Specifications 956 28.1.4 Model-Driven Architecture 959 28.2 Object Data Standard ODMG 3.0, 1999 959 28.2.1 Object Data Management Group 961 28.2.2 The Object Model 962 28.2.3 The Object Definition Language 970 28.2.4 The Object Query Language 973 28.2.5 Other Parts of the ODMG Standard 979 28.2.6 Mapping the Conceptual Design to a Logical (Object-Oriented) Design 982 28.3 ObjectStore 983 28.3.1 Architecture 983 28.3.2 Building an ObjectStore Application 986 28.3.3 Data Definition in ObjectStore 987 28.3.4 Data Manipulation in ObjectStore 991 Chapter Summary 994 Review Questions 995 Exercises 995 Part 8 The Web and DBMSs 997 Chapter 29 Web Technology and DBMSs 999 29.1 Introduction to the Internet and the Web 1000 29.1.1 Intranets and Extranets 1002 29.1.2 e-Commerce and e-Business 1003 29.2 The Web 1004 29.2.1 HyperText Transfer Protocol 1005 29.2.2 HyperText Markup Language 1007 29.2.3 Uniform Resource Locators 1009 29.2.4 Static and Dynamic Web Pages 1010 29.2.5 Web Services 1010 29.2.6 Requirements for Web-DBMS Integration 1011 29.2.7 Advantages and Disadvantages of the Web-DBMS Approach 1012 29.2.8 Approaches to Integrating the Web and DBMSs 1016 29.3 Scripting Languages 1017 29.3.1 JavaScript and JScript 1017 29.3.2 VBScript 1018 29.3.3 Perl and PHP 1019 29.4 Common Gateway Interface (CGI) 1019 29.4.1 Passing Information to a CGI Script 1021 29.4.2 Advantages and Disadvantages of CGI 1023 29.5 HTTP Cookies 1024 29.6 Extending the Web Server 1025 29.6.1 Comparison of CGI and API 1026 29.7 Java 1026 29.7.1 JDBC 1030 29.7.2 SQLJ 1036 29.7.3 Comparison of JDBC and SQLJ 1036 29.7.4 Container-Managed Persistence (CMP) 1037 29.7.5 Java Data Objects (JDO) 1041 29.7.6 JPA (Java Persistence API) 1048 29.7.7 Java Servlets 1056 29.7.8 JavaServer Pages 1056 29.7.9 Java Web Services 1057 29.8 Microsoft's Web Platform 1059 29.8.1 Universal Data Access 1060 29.8.2 Active Server Pages and ActiveX Data Objects 1061 29.8.3 Remote Data Services 1062 29.8.4 Comparison of ASP and JSP 1065 29.8.5 Microsoft .NET 1065 29.8.6 Microsoft Web Services 1070 29.9 Oracle Internet Platform 1071 29.9.1 Oracle WebLogic Server 1072 29.9.2 Oracle Metadata Repository 1073 29.9.3 Oracle Identity Management 1073 29.9.4 Oracle Portal 1074 29.9.5 Oracle WebCenter 1074 29.9.6 Oracle Business Intelligence (BI) Discoverer 1074 29.9.7 Oracle SOA (Service-Oriented Architecture) Suite 1075 Chapter Summary 1078 Review Questions 1079 Exercises 1079 Chapter 30 Semistructured Data and XML 1081 30.1 Semistructured Data 1082 30.1.1 Object Exchange Model (OEM) 1084 30.1.2 Lore and Lorel 1085 30.2 Introduction to XML 1089 30.2.1 Overview of XML 1092 30.2.2 Document Type Definitions (DTDs) 1094 30.3 XML-Related Technologies 1097 30.3.1 DOM and SAX Interfaces 1098 30.3.2 Namespaces 1099 30.3.3 XSL and XSLT 1099 30.3.4 XPath (XML Path Language) 1100 30.3.5 XPointer (XML Pointer Language) 1101 30.3.6 XLink (XML Linking Language) 1102 30.3.7 XHTML 1102 30.3.8 Simple Object Access Protocol (SOAP) 1103 30.3.9 Web Services Description Language (WSDL) 1104 30.3.10 Universal Discovery, Description, and Integration (UDDI) 1104 30.3.11 JSON (JavaScript Object Notation) 1106 30.4 XML Schema 1108 30.4.1 Resource Description Framework (RDF) 1114 30.5 XML Query Languages 1118 30.5.1 Extending Lore and Lorel to Handle XML 1119 30.5.2 XML Query Working Group 1120 30.5.3 XQuery-A Query Language for XML 1121 30.5.4 XML Information Set 1131 30.5.5 XQuery 1.0 and XPath 2.0 Data Model (XDM) 1132 30.5.6 XQuery Update Facility 1.0 1138 30.5.7 Formal Semantics 1140 30.6 XML and Databases 1148 30.6.1 Storing XML in Databases 1148 30.6.2 XML and SQL 1151 30.6.3 Native XML Databases 1165 30.7 XML in Oracle 1166 Chapter Summary 1169 Review Questions 1171 Exercises 1172 Part 9 Business Intelligence 1173 Chapter 31 Data Warehousing Concepts 1175 31.1 Introduction to Data Warehousing 1176 31.1.1 The Evolution of Data Warehousing 1176 31.1.2 Data Warehousing Concepts 1177 31.1.3 Benefits of Data Warehousing 1178 31.1.4 Comparison of OLTP Systems and Data Warehousing 1178 31.1.5 Problems of Data Warehousing 1180 31.1.6 Real-Time Data Warehouse 1182 31.2 Data Warehouse Architecture 1183 31.2.1 Operational Data 1183 31.2.2 Operational Data Store 1183 31.2.3 ETL Manager 1184 31.2.4 Warehouse Manager 1184 31.2.5 Query Manager 1185 31.2.6 Detailed Data 1185 31.2.7 Lightly and Highly Summarized Data 1185 31.2.8 Archive/Backup Data 1185 31.2.9 Metadata 1186 31.2.10 End-User Access Tools 1186 31.3 Data Warehousing Tools and Technologies 1187 31.3.1 Extraction, Transformation, and Loading (ETL) 1188 31.3.2 Data Warehouse DBMS 1189 31.3.3 Data Warehouse Metadata 1192 31.3.4 Administration and Management Tools 1194 31.4 Data Mart 1194 31.4.1 Reasons for Creating a Data Mart 1195 31.5 Data Warehousing and Temporal Databases 1195 31.5.1 Temporal Extensions to the SQL Standard 1198 31.6 Data Warehousing Using Oracle 1200 31.6.1 Warehouse Features in Oracle 11g 1203 31.6.2 Oracle Support for Temporal Data 1204 Chapter Summary 1205 Review Questions 1206 Exercises 1207 Chapter 32 Data Warehousing Design 1209 32.1 Designing a Data Warehouse Database 1210 32.2 Data Warehouse Development Methodologies 1210 32.3 Kimball's Business Dimensional Lifecycle 1212 32.4 Dimensionality Modeling 1213 32.4.1 Comparison of DM and ER models 1216 32.5 The Dimensional Modeling Stage of Kimball's Business Dimensional Lifecycle 1217 32.5.1 Create a High-Level Dimensional Model (Phase I) 1217 32.5.2 Identify All Dimension Attributes for the Dimensional Model (Phase II) 1222 32.6 Data Warehouse Development Issues 1225 32.7 Data Warehousing Design Using Oracle 1226 32.7.1 Oracle Warehouse Builder Components 1226 32.7.2 Using Oracle Warehouse Builder 1227 32.7.3 Warehouse Builder Features in Oracle 11g 1231 Chapter Summary 1232 Review Questions 1233 Exercises 1234 Chapter 33 OLAP 1237 33.1 Online Analytical Processing 1238 33.1.1 OLAP Benchmarks 1239 33.2 OLAP Applications 1239 33.3 Multidimensional Data Model 1241 33.3.1 Alternative Multidimensional Data Representations 1241 33.3.2 Dimensional Hierarchy 1243 33.3.3 Multidimensional Operations 1245 33.3.4 Multidimensional Schemas 1245 33.4 OLAP Tools 1245 33.4.1 Codd's Rules for OLAP Tools 1246 33.4.2 OLAP Server-Implementation Issues 1247 33.4.3 Categories of OLAP Servers 1248 33.5 OLAP Extensions to the SQL Standard 1252 33.5.1 Extended Grouping Capabilities 1252 33.5.2 Elementary OLAP Operators 1257 33.6 Oracle OLAP 1259 33.6.1 Oracle OLAP Environment 1259 33.6.2 Platform for Business Intelligence Applications 1260 33.6.3 Oracle Database 1260 33.6.4 Oracle OLAP 1262 33.6.5 Performance 1263 33.6.6 System Management 1264 33.6.7 System Requirements 1264 33.6.8 OLAP Features in Oracle 11g 1264 Chapter Summary 1265 Review Questions 1265 Exercises 1265 Chapter 34 Data Mining 1267 34.1 Data Mining 1268 34.2 Data Mining Techniques 1268 34.2.1 Predictive Modeling 1270 34.2.2 Database Segmentation 1271 34.2.3 Link Analysis 1272 34.2.4 Deviation Detection 1273 34.3 The Data Mining Process 1274 34.3.1 The CRISP-DM Model 1274 34.4 Data Mining Tools 1275 34.5 Data Mining and Data Warehousing 1276 34.6 Oracle Data Mining (ODM) 1277 34.6.1 Data Mining Capabilities 1277 34.6.2 Enabling Data Mining Applications 1277 34.6.3 Predictions and Insights 1278 34.6.4 Oracle Data Mining Environment 1278 34.6.5 Data Mining Features in Oracle 11g 1279 Chapter Summary 1279 Review Questions 1280 Exercises 1280 Appendices 1281 A Users' Requirements Specification for DreamHome Case Study A-1 A.1 Branch User Views of DreamHome A-1 A.1.1 Data Requirements A-1 A.1.2 Transaction Requirements (Sample) A-3 A.2 Staff User Views of DreamHome A-4 A.2.1 Data Requirements A-4 A.2.2 Transaction Requirements (Sample) A-5 B Other Case Studies B-1 B.1 The University Accommodation Office Case Study B-1 B.1.1 Data Requirements B-1 B.1.2 Query Transactions (Sample) B-3 B.2 The EasyDrive School of Motoring Case Study B-4 B.2.1 Data Requirements B-4 B.2.2 Query Transactions (Sample) B-5 B.3 The Wellmeadows Hospital Case Study B-5 B.3.1 Data Requirements B-5 B.3.2 Transaction Requirements (Sample) B-12 C Alternative ER Modeling Notations C-1 C.1 ER Modeling Using the Chen Notation C-1 C.2 ER Modeling Using the Crow's Feet Notation C-1 D Summary of the Database Design Methodology for Relational Databases D-1 Step 1: Build Conceptual Data Model D-1 Step 2: Build Logical Data Model D-2 Step 3: Translate Logical Data Model for Target DBMS D-5 Step 4: Design File Organizations and Indexes D-5 Step 5: Design User Views D-5 Step 6: Design Security Mechanisms D-5 Step 7: Consider the Introduction of Controlled Redundancy D-6 Step 8: Monitor and Tune the Operational System D-6 E Introduction to Pyrrho: A Lightweight RDBMS E-1 E.1 Pyrrho Features E-2 E.2 Download and Install Pyrrho E-2 E.3 Getting Started E-3 E.4 The Connection String E-3 E.5 Pyrrho's Security Model E-4 E.6 Pyrrho SQL Syntax E-4 F File Organizations and Indexes (Online) F-1 G When Is a DBMS Relational? (Online) G-1 H Commercial DBMSs: Access and Oracle (Online) H-1 I Programmatic SQL (Online) I-1 J Estimating Disk Space Requirements (Online) J-1 K Introduction to Object-Oriented Concepts (Online) K-1 L Example Web Scripts (Online) L-1 M Query-By-Example (QBE) (Online) M-1 N Third Generation Manifestos (Online) N-1 O Postgres-An Early ORDBMS (Online) O-1 References R-1 Further Reading FR-1 Index IN-1

Additional information

CIN0132943263A
9780132943260
0132943263
Database Systems: A Practical Approach to Design, Implementation, and Management by Thomas Connolly
Thomas Connolly
Used - Well Read
Paperback
Pearson Education (US)
20140828
1440
N/A
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