Sign In
Not register? Register Now!
Pages:
1 page/≈275 words
Sources:
Check Instructions
Style:
APA
Subject:
IT & Computer Science
Type:
Case Study
Language:
English (U.S.)
Document:
MS Word
Date:
Total cost:
$ 5.4
Topic:

Nonidentifying and Identifying Relationships Within Databases

Case Study Instructions:

Nonidentifying relationships are common within databases. Explain how nonidentifying relationships differ from identifying relationships. Provide three real-world examples of nonidentifying relationships that could occur within a database.
APA style
two References from reliable sources

Case Study Sample Content Preview:

Non-identifying Relationships
Name
Course
Institution
Date
Database layouts are closely related to database relationships, the association between two columns in one or more tables. Relationships are defined based on matching key columns. A non-identifying is a relationship between strong entity types. Each entity type has a specific key, and each entity has an attribute that uniquely identifies it and distinguishes it from others in the corresponding entity or set. This occurs as the parent entity’s primary key attributes are included in that of the child entity without becoming the primary key of the child entity (Burbank & Hoberman, 2020). A non-identifying relationship can be optional and mandatory. On the other hand, an identifying relationship is where the parent entity’s primary key attributes are include...
Updated on
Get the Whole Paper!
Not exactly what you need?
Do you need a custom essay? Order right now:

You Might Also Like Other Topics Related to relationship:

HIRE A WRITER FROM $11.95 / PAGE
ORDER WITH 15% DISCOUNT!