Database Management
For each of the following respond with at least 450 words.
Q1.
Review the advantages of database management systems in the Connolly text? Describe which advantage you think is the most important? Explain this choice by describing a database you use (either in your personal or professional experience) and how this advantage makes the system more effective.
Q2.
Discuss the characteristics of the relational data model, how that differs from a hierarchical model, and why/when the relational model may be better.
Q3.
In your own words – explain domain, Superkey, and Primary key. (It is OK to ask for feedback where you are uncertain.)Using the below figure discuss which fields could be Candidate keys and why. Provide an example of a Superkey (hint: it will probably be a combination of more than 1 field) Owners Table: (OwnerSS is a person’s social security number, we will also assign a unique OwnerID to each person). (we need to consider the domain of values) – assume this table is designed only for persons who are assigned a SS#!
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