FUNDAMENTALS OF DATABASE SYSTEMS Fourth Edition phần 6 potx

... for the problem of physical database design. 16. 2 An Overview of Database Tuning in Relational Systems I 541 dependencies {{STUDENT, COURSE} ~ INSTRUCTOR, INSTRUCTOR ~ COURSE}. A lossless decomposi- tionof TEACH into T1 ... address that includes the data file, data block, and row offset within the 548 I Chapter 16 Practical Database Design and Tuning Selected Bibliography Wied...

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... Inheritance 65 4 20.5 Complex Objects 65 7 20 .6 Other Objected-Oriented Concepts 65 9 20.7 Summary 66 2 Review Questions 66 3 Exercises 66 4 Selected Bibliography 66 4 64 3 64 9 CHAPTER 21 Object Database ... Recovery in Multidatabase Systems 62 9 19.7 Database Backup and Recovery from Catastrophic Failures 63 0 19.8 Summary 63 1 Review Questions 63 2 Exercises 63 3 Sele...

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... Organizations 16. 2 The Database Design Process 16. 3 Physical Database Design in Relational Databases 16. 4 An Overview of Database Tuning in Relational Systems 16. 5 Automated Design Tools 16. 6 Summary ... Design 16. 2.3 Phase 3: Choice of a DBMS 16. 2.4 Phase 4: Data Model Mapping (Logical Database Design) 16. 2.5 Phase 5: Physical Database Design...

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... Wong 333445555 40000 88 866 5555 5 Ramesh K Narayan 66 6884444 38000 333445555 5 Joyce A English 453453453 25000 333445555 5 Alicia J Zelaya 999887777 25000 98 765 4321 4 Jennifer S Wallace 98 765 4321 43000 88 866 5555 ... less concerned about migrating their database applications from other types of database systems- for example, network or hierarchical systems- to rela- tional...

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... guideline. Smith,John B. English,Joyce A. Smith,John B. English,Joyce A. Wong, Franklin T. Narayan,Ramesh K. Wong,Franklin T. Smith,John B. English,Joyce A. Smith,John B. English,Joyce A. Wong, Franklin T. Smith,John B. English,Joyce A. Wong, Franklin T. Narayan,Ramesh K. Wong,Franklin T. Wong,Franklin T. Narayan,Ramesh K. Wong, Franklin T. ENAME Bellaire Bellaire Sugarland Sugarland Sugarlan...

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... Discuss the importance of Requirements Collection and Analysis. 12 .6. Consider an actual application of a database system of interest. Define the requirements of the different levels of users in terms of data needed, ... discussing the role of information systems in organizations; database systems are looked upon as a part of information systems in large-scale appli...

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... available systems included GEMSTONE/OPAL of GemStone Systems, ONTOS of Ontos, Objectivity of Objectivity Inc., Versant of Versant Object Technology, ObjectStore of Object Design, ARDENT of ARDENT Software," and POET of POET Software. These represent ... since the majority of 00 databases support types, we will assume that extents are collections of objects of the...

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... in a database. Because part of the theoretical foundation for some deductive database systems is mathematical logic, such rules are often referred to as logic databases. Other types of systems, ... (a) DEPT schema. (b) Example of a Non-l NF tuple of DEPT. (c) Tree representation of DEPT schema. When a nested relational database schema is defined, it consists of a number...

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... 866 I Chapter 26 XML and Internet Databases Exercises 26. 7. Create an XML instance document to correspond to the data stored in the rela- tional database shown in Figure 5 .6 such that the XML document conforms ... the XMLschema document in Figure 26. 5. 26. 8. Create XML schema documents to correspond to the hierarchies shown in Figures 26. 12 and 26. 13 part (3). 26. 9. Consider...

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