Database Systems: Design, Implementation, & Management
11th Edition
ISBN: 9781285196145
Author: Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher: Cengage Learning
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Chapter 1, Problem 5RQ
Explanation of Solution
Structural Independence and its importance:
- Structural Independence is making changes in the
database structure without affecting the access of data...
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"What exactly is the idea of integrity constraints?"
Does compliance with entity and referential integrity mean that a database is dependable, or does it imply anything else?
A database's ability to support both entity and referential integrity raises the question of whether or not it can be relied upon.
Chapter 1 Solutions
Database Systems: Design, Implementation, & Management
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- Could you describe the duties of a database administrator for me? What ought to be his primary priorities at work, if there are any?arrow_forwardWhat characteristics are associated with normalisation processes that make use of functional dependencies?arrow_forwardIs a database trustworthy if it supports entity and referential integrity?arrow_forward
- Is a database trustworthy if it complies with entity and referential integrity, or does that compatibility suggest anything else?arrow_forwardwhy is consistency important to take advantage of the multiple levels of DFDs that may be created?arrow_forwardIf a database conforms with entity and referential integrity, does it indicate that the database can be trusted, or does that compatibility imply something else?arrow_forward
- To what extent does a database administrator's job description include the following? In what kind of order should he list his responsibilities?arrow_forwardIn the event that referential integrity of a database were to be compromised, what would be the resulting consequences? What are the most frequently occurring errors that one tends to commit?arrow_forwardIs it safe to assume that a database is trustworthy if it meets entity and referential integrity criteria, or does this imply something else entirely?arrow_forward
- Are there any moral issues to bear in mind while building a database? Consider if medical data, for example, should be stored in the same database management system (DBMS) that manages employee compensation and benefits information. Why is this happening, or why is it not happening?arrow_forwardHow exactly does one go about testing a structural database, and how is this specific kind of testing distinct from other kinds of testing?arrow_forwardDo entity and referential integrity compatibility imply that a database can be trusted, or do they imply something else entirely?arrow_forward
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