Question
Distinguish between logical and physical data independence, and give examples of possible changes they allow. Distinguish between the intension and extension of a database, and
Distinguish between logical and physical data independence, and give examples of possible changes they allow.
Distinguish between the intension and extension of a database, and give some examples.
What is concurrency control and why does a DBMS need a concurrency control facility?
Define the term “database integrity”. How does database integrity differ from database security?
Step by Step Solution
There are 3 Steps involved in it
Step: 1
1 Logical vs Physical Data Independence Logical Data IndependenceIt refers to the ability to change the logical schema of a database without affecting ...
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Principles of Information Systems
Authors: Ralph Stair, George Reynolds
13th edition
1305971779, 978-1305971776
