Relational Database Design - Database System Concepts
12 Chapter 8 Relational Database Design 8.8 Consider the algorithm in Figure 8.18 to compute a+.Show that this algorithm is more efficient than the one presented in Figure 8.8 (Sec-tion 8.4.2) and that it computes a+ correctly. Answer: The algorithm is correct because: • If Ais added to result then there is a proof that a → A.To see this,
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Introduction to the Relational Model
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Intermediate SQL - Database System Concepts
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Contents
www.db-book.comChapter 8 Complex Data Types 8.1 Semi-structured Data 365 8.2 Object Orientation 376 8.3 Textual Data 382 8.4 Spatial Data 387 8.5 Summary 394 Exercises 397 Further Reading 401 Chapter 9 Application Development 9.1 Application Programs and User Interfaces 403 9.2 Web Fundamentals 405 9.3 Servlets 411 9.4 Alternative Server-Side Frameworks 416
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