Transcription of Introduction to Database Systems - - turingMachine
{{id}} {{{paragraph}}}
Example: quiz answers
Introduction to Database Systems - - turingMachine
Introduction to Database SystemsUVic C SC 370Dr. Daniel M. GermanDepartment of Computer ScienceMay 5, 2004 Version: 1 Introduction to Database Systems ( )CSC 370 is a DBMS? what is a relational DBMS?EWhy do we need them?EHow do we represent and store data in a DBMS?EHow does it support concurrent access and system failures?1 2 Introduction to Database Systems ( )CSC 370 how do we store lots of data?EAssume you work for Walmart (and Database managementsystems have not been invented) and you are asked to write acollection of programs that can store and retrieve every single sellin every store of the chain (could be a Tbyte of info)1 3 Introduction to Database Systems ( )CSC 370 How do you do it? How do you find and retrieve data?
The Relational Data Model: introduction A data model is a collection of high level description constructs that hide many low-level storage details Most current DBMS use the relational data model The central data description in this model is the relation (a set of tuples –same as in set theory mathematics) For convenience, we refer to each tuple as a row
Loading..
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document:
Related search queries
Introduction to Object-Oriented Databases, Database, Introduction to Object-Oriented Databases and Database Systems, INTRODUCTION, Database Systems, SYSTEMS SOLUTIONS, Introduction to Database Systems, Chapter 1: Introduction, Systems, AN INTRODUCTION TO RELATIONAL DATABASES, Introduction to Database Design, Lecture Notes in Computer Science