'Procedural query language' diaporamas de présentation

Chapter 3 relational model

Chapter 3 relational model. 3.1 An Informal Look at the Relational Model 3.2 The Relational Algebra 3.3 Extended Relational-Algebra Operation 3.4 Relational Calculus 3.5 The Tuple Relational Calculus 3.6 The Domain Relational Calculus 3.7 Modification of the Database

1.27k views • 98 slides

Relational Algebra, Join and QBE

Relational Algebra, Join and QBE. Yong Choi School of Business CSUB, Bakersfield. Study Objectives. Learn about relational database algebra Understand Query-by-Example (QBE) Use Criteria in QBE Create Calculated Columns in QBE Calculate Statistics in QBE. Relational Algebra.

845 views • 42 slides

CS 319: Theory of Databases: C6

468 views • 35 slides

Relational Algebra 1 ( Basic operations)

M Taimoor Khan taimoorkhan@ciit-attock.edu.pk. Relational Algebra 1 ( Basic operations). Course Objectives. Basic Concepts Tools Database architecture and design Flow of data (DFDs) Mappings (ERDs) Formulating queries (Relational algebra) Implementing Schema Built-in Functions

461 views • 29 slides

Relational Algebra

Relational Algebra. Dashiell Fryer. What is Relational Algebra?. Relational algebra is a procedural query language. It consists of the select, project, union, set difference, Cartesian product, and rename operations.

639 views • 21 slides