PPT-Database Processing Chapter 5

GearUp YOU Dont Know Anything About Report Writing GearUp needs operating data to analyze for costcutting decisions Need to extract and combine data from multiple systems Will use Access to create reports. Introduction 2 Application Tier Caching 3 The Oracle TimesTen In Memory Database 31 Oracle TimesTen Performance 4 Data Caching Using Oracle TimesTen Application Tier Database Cache 41 Defining the Content of a Cache 42 Loading Data and Managing the Chapter 1. The Worlds of Database Systems. Section 1.1 . Evolution of Database Systems . The DBMS is expected to :. 1 . Allow users to create new databases and specify their schemas ( logical structure of the data ) , using a specialized data - definition language.. Functional Dependences. Normal Forms. D. Christozov / G.Tuparov. INF 280 Database Systems: DB design: Normal Forms. 1. Objectives. Purpose of normalization.. Problems associated with redundant data.. Phil Bernstein. Microsoft Research. May 29, 2008. © 2008 Microsoft Corporation. Database Engines Redux. DBMS architecture hasn’t change much since System R and Ingres.. Locking, logging, B-trees, ….. 1 Purpose of Database Recovery. To bring the database into the last consistent state, which existed prior to the failure.. To preserve transaction properties (Atomicity, Consistency, Isolation and Durability).. Database Designs. Chapter Objectives. To understand how to transform data models into database designs. To be able to identify primary keys and understand when to use a surrogate key. To understand the use of referential integrity constraints. DAVID M. KROENKE and DAVID J. AUER . DATABASE CONCEPTS, . 6. th. . Edition. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Printed in the United States of America.. Distinguish between the physical and logical views of . data.. Describe how data is organized: characters, fields, records, tables, and . databases.. Define key fields and how they are used to integrate data in a database.. Chapter Seven. DAVID M. KROENKE and DAVID J. AUER . DATABASE CONCEPTS, . 6. th. . Edition. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Printed in the United States of America.. GearUp: “YOU Don’t Know Anything About Report Writing”. GearUp needs operating data to analyze for cost-cutting decisions. Need to extract and combine data from multiple systems. Will use Access to create reports. Recommendations & Observations. Part One. Today’s Presenters. Steve Eastwood. 2-1-1 Arizona, Community Information and Referral Services, Phoenix, Arizona. Dave . Erlandson. United Way 211/Ceridian, Minneapolis, Minnesota. kindly visit us at www.examsdump.com. Prepare your certification exams with real time Certification Questions & Answers verified by experienced professionals! We make your certification journey easier as we provide you learning materials to help you to pass your exams from the first try. Professionally researched by Certified Trainers,our preparation materials contribute to industryshighest-99.6% pass rate among our customers.Just like all our exams. Learning Objectives. In this chapter, you will learn:. That the relational database model offers a logical view of data. About the relational model’s basic component: relations. That relations are logical constructs composed of rows (tuples) and columns (attributes). Sudheer. . Thandu. Presentation ID: 13. Index. What is allocation?. Problems related to allocation. Information Requirements. Allocation Methods. Allocation. Fragmentation. Relation may be divided into a number of sub-relations, which are then distributed..