Skip to Main Content
Data Analysis for Database Design, 3rd Edition
book

Data Analysis for Database Design, 3rd Edition

by David Howe
May 2001
Intermediate to advanced content levelIntermediate to advanced
336 pages
14h 36m
English
Butterworth-Heinemann
Content preview from Data Analysis for Database Design, 3rd Edition
The DDBMS maintains a directory of information about tables, views, fragments,
replicas, user access rights, etc. which it uses in interpreting queries and in compiling
and executing application programs. Just as a distribution schema for the user data
must be designed, so must a distribution schema for the DDBMS directory. If any user
is to be able to query any data in the database, then the DDBMS query processor must
have access to the full directory. Two possibilities are:
Store the directory at a single site.
Replicate the directory at every site.
Storing the directory at a single site destroys the ability of other sites to function
independently ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Data Quality Engineering in Financial Services

Data Quality Engineering in Financial Services

Brian Buzzelli

Publisher Resources

ISBN: 9780750650861