CS 440 Database Management Systems4 Oregon State

3/1/2009 CS 440: Database Management Systems Query Processing and Optimization How are queries processed Input: SQL statements Output: Results O R l Query Processing and Optimization How are queries processed Query Processing and Optimizatio

CS 440: Database Management Systems Disk Storage and Basic File Structures Storage medium: Primary storage: can be accessed directly by the CPU Fast Limited in capacity Second storage: magnetic disks, optical disks, tapes Larger capacity Slower

CS 440: Database Management Systems Indexing Structures for Files Indexes Additional auxiliary access structures for files Allow search on just about any field efficiently Indexing Structures for Files Single-level ordered indexes Indexing St

CS 440: Database Management Systems Review of Relational Databases How does database systems fit in organizations? Data is corporate resource Data management is central to the success of the g organization Computerization requires large volume

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CS 440 - Assignment #1 - Solutions CS440Assignment#1Solutions (total = 100 pts., due on January 29, Thursday) (10pts.)AccessDatabase Design View Data view 1 CS 440 - Assignment #1 - Solutions (15pts)Exercise10.17onPage372inElmasriandNavathe. St

CS 440 - Assignment #3 Solution CS440Assignment#3Solution (total = 150 pts., due on February 19, Thursday 11:59pm) (30pts)Exercise14.15onPage546inElmasriandNavathe. A PARTS file with Part# as the key field includes records with the following Part#

Title of Your Final Project Names of the team members 1. Introduction This section provides a high-level description of the project including potential users or user groups and desired functionalities. Do no assume that the readers are automatically

Chapter 10 Measures for quality of relational design Clear semantics of attributes Redundant information and update anomalies NULL values Generation of spurious tuples Review Chapter 10 Functional dependencies Inference rules Closure of att