CS348-Assign3_ - mean by view maintenance? Give an example...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Purdue University Computer Science Department CS 348: Information Systems (Fall 201 1 ) Prof: Bharat Bhargava Due, Oct. 6, 201 1 Homework # 3 1. Give an overview of the implementation issues involved in the Ingres database system. (see paper on web site) 2. What is a view? What is a materialized view? What do we
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: mean by view maintenance? Give an example of each of the above concepts. 3. Under what conditions, should we allow null values in a database? How do aggregate functions treat null values? 4. What is referential integrity? Give an example....
View Full Document

This note was uploaded on 02/23/2012 for the course CS 348 taught by Professor Staff during the Fall '08 term at Purdue.

Ask a homework question - tutors are online