'Block accesses' presentation slideshows

CS257 Presentations

5.06k views • 494 slides

CMSC424: Database Design

CMSC424: Database Design. Instructor: Amol Deshpande amol@cs.umd.edu. Databases. Data Models Conceptual representation of the data Data Retrieval How to ask questions of the database How to answer those questions Data Storage How/where to store data, how to access it Data Integrity

894 views • 81 slides

Chapter Outline

Chapter Outline. Indexes as additional auxiliary access structure Types of Single-level Ordered Indexes (ordered files) Primary Indexes Clustering Indexes Secondary Indexes Multilevel Indexes Dynamic Multilevel Indexes Using B-Trees and B+-Trees Indexes on Multiple Keys.

315 views • 31 slides

DB Performance

DB Performance. Ana Stanescu CIS764 - Fall 08 KSU. Database Performance. Why does this topic fit in 764? Why is this an issue in the industry? Advantages overweigh drawbacks Need for better response from the db Efficient use of resources Experience and knowledge to do it correctly.

372 views • 28 slides

DB Performance

DB Performance. Ana Stanescu CIS764 - Fall 08 KSU. Database Performance. Why does this topic fit in 764? Why is this an issue in the industry? Advantages overweigh drawbacks Need for better response from the db Efficient use of resources Experience and knowledge to do it correctly.

287 views • 28 slides