'Theta join join' diaporamas de présentation

Theta join join - PowerPoint PPT Presentation

Lecture 3: Relational Algebra and SQL

Lecture 3: Relational Algebra and SQL

Lecture 3: Relational Algebra and SQL. Outline. Relational Algebra: 4.2 (except 4.2.5) SQL: 5.2, 5.3, 5.4. Querying the Database. Goal: specify what we want from our database Find all the employees who earn more than $50,000 and pay taxes in New Jersey.

★ ★ ★ ★ ★

1.16k views • 90 slides
Relational Algebra and Relational Calculus

Relational Algebra and Relational Calculus

Relational Algebra and Relational Calculus. Introduction. Relational algebra & relational calculus formal languages associated with the relational model Relational algebra (high-level) procedural language Relational calculus non-procedural language.

★ ★ ★ ★ ★

858 views • 63 slides
Relational Algebra & Relational Calculus

Relational Algebra & Relational Calculus

Relational Algebra & Relational Calculus. Dale-Marie Wilson, Ph.D. Introduction. Relational algebra & relational calculus formal languages associated with the relational model Relational algebra (high-level) procedural language Relational calculus non-procedural language.

★ ★ ★ ★ ★

576 views • 57 slides
Chapter 4

Chapter 4

Chapter 4. Relational Algebra and Relational Calculus Transparencies. Chapter 4 - Objectives. Meaning of the term relational completeness. How to form queries in relational algebra. How to form queries in tuple relational calculus.

★ ★ ★ ★ ★

667 views • 54 slides
Chapter 4

Chapter 4

Chapter 4. Relational Algebra and Relational Calculus Transparencies. Chapter 4 - Objectives. Meaning of the term relational completeness. How to form queries in relational algebra. How to form queries in tuple relational calculus.

★ ★ ★ ★ ★

548 views • 54 slides
Chapter 4

Chapter 4

Chapter 4. Relational Algebra and Relational Calculus Transparencies. Chapter 4 - Objectives. Meaning of the term relational completeness. How to form queries in relational algebra. How to form queries in tuple relational calculus. How to form queries in domain relational calculus.

★ ★ ★ ★ ★

612 views • 53 slides
Joins

Joins

Joins. Relational algebra. Recall relational algebra was the study of actions that are performed on one or more tables and give as a result another table. The action is called an operation . The things acted upon (tables in this case) are known as operands. Basic Operations.

★ ★ ★ ★ ★

566 views • 44 slides
Chapter 4

Chapter 4

Chapter 4. Relational Algebra Transparencies. Chapter 4 - Objectives. Meaning of the term relational completeness. How to form queries in relational algebra. How to form queries in tuple relational calculus. How to form queries in domain relational calculus. Categories of relational DML.

★ ★ ★ ★ ★

524 views • 35 slides
Chapter 5

Chapter 5

Chapter 5. Relational Algebra and Relational Calculus. Introduction. Relational algebra & relational calculus formal languages associated with the relational model Relational algebra (high-level) procedural language Relational calculus non-procedural language.

★ ★ ★ ★ ★

323 views • 32 slides

View Theta join join PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Theta join join PowerPoint presentations. You can view or download Theta join join presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.