1 Relational Algebra, Principles and Part I Hugh Darwen [email protected] hugh CS252.HACD: Fundamentals of Relational Databases.
Relational Database Operators Relational algebra –Defines theoretical way of manipulating table contents using relational operators: SELECT PROJECT JOIN.
COMP 5138 Relational Database Management Systems Semester 2, 2007 Lecture 5A Relational Algebra.
Theoretical Foundation of Computation Instructor: Bin Fu Textbook: Introduction to the theory of computation, by Michael Siper Class Time: 5:45-8:25pm.
Yu-Jung Liang Department of Applied Mathematics National Dong Hwa University Advisor: Professor David Kuo.
Announcements Reading for Wednesday –4.6 Homework 3 – Due 10/1.
Relational Algebra Operators. Relational Algebra and Relational Calculus Relational Algebra is a procedural language that can be used to tell the DBMS.
James Tam Basic Set Theory You will learn basic properties of sets and set operations.
1 Common Sense and Quantum Mechanics Barry Smith .
CLASSICAL RELATIONS AND FUZZY RELATIONS. 報告流程 卡氏積 (Cartesian Product) 明確關係 (Crisp Relations) Cardinality Operations Properties 合成 (Composition)
1. 2 3 4 A Simple Partition 5 A partition can be more or less refined.
Chapter 2 Sets, Relations, and Functions. 2 2.1 SET OPERATIONS The union of A and B.