'Single relation' presentation slideshows

Set 12 Chapter 8 Enhanced Entity-Relationship (EER) Model and Chapter 9.2 mapping EER to relations

Set 12 Chapter 8 Enhanced Entity-Relationship (EER) Model and Chapter 9.2 mapping EER to relations. Chapter 8 Outline. Subclasses, Superclasses , and Inheritance Specialization and Generalization Constraints and Characteristics of Specialization and Generalization Hierarchies

802 views • 44 slides

Chapter 7 Relational Database Design by ER- and EER-to-Relational Mapping

Chapter 7 Relational Database Design by ER- and EER-to-Relational Mapping. Dr. Bernard Chen Ph.D. University of Central Arkansas Fall 2008. Chapter Outline. ER-to-Relational Mapping Algorithm Step 1: Mapping of Regular Entity Types Step 2: Mapping of Weak Entity Types

983 views • 36 slides

CMSC424: Database Design

CMSC424: Database Design. Instructor: Amol Deshpande amol@cs.umd.edu. Today. SQL and NULLS SQL Advanced Features Integrity Constraints Transactions Triggers. First. Unfinished Stuff Query asking for top 10 Set comparisons in SQL; why ?

417 views • 29 slides

Chapter 9 Relational Database Design by ER- and EER-to-Relational Mapping

Chapter 9 Relational Database Design by ER- and EER-to-Relational Mapping. Chapter 9 Outline. Relational Database Design Using ER-to-Relational Mapping Mapping EER Model Constructs to Relations. Relational Database Design by ER- and EER-to-Relational Mapping.

432 views • 23 slides

Schedule

Schedule. Today: Jan. 22 (T) SQL Queries. Read Sections 6.1-6.2. Assignment 2 due. Jan. 24 (TH) Subqueries, Grouping and Aggregation. Read Sections 6.3-6.4. Project Part 2 due. Jan. 29 (T) Modifications, Schemas, Views. Read Sections 6.5-6.7. Assignment 3 due. Jan. 31 (TH) Constraints.

346 views • 22 slides

CSE 880 : Database Systems

CSE 880 : Database Systems. Lecture : EER to Relational Mapping. Reference: Read Chapter 9 of the textbook. EER to Relation Mapping. Mapping of superclass/subclass relationships Mapping of shared subclasses Mapping of union types (categories). Mapping of Superclass/Subclasses.

430 views • 22 slides

Chapter 4 Part 2 Relational Database Design by ER and EER-to-Relational Mapping

Chapter 4 Part 2 Relational Database Design by ER and EER-to-Relational Mapping. Mapping EER Model Constructs to Relations. Step8: Options for Mapping Specialization or Generalization.

1.32k views • 20 slides

Chapter 7_part2

Chapter 7_part2. Relational Database Design by ER- and EER-to-Relational Mapping. Outline. ER-to-Relational Mapping Algorithm Step 1: Mapping of Regular Entity Types Step 2: Mapping of Weak Entity Types Step 3: Mapping of Binary 1:1 Relation Types

296 views • 12 slides

Summary of Mapping constructs and constraints

297 views • 11 slides

Relational Query Optimization II: Size Estimation and Plan Generation

Relational Query Optimization II: Size Estimation and Plan Generation. Size Estimation and Reduction Factors. SELECT attribute list FROM relation list WHERE term1 AND ... AND termk. Consider a query block:

124 views • 11 slides

better explanation of the 4 methods of converting inheritance to relations

173 views • 10 slides