IT 510 homework

IT 510 Module Seven Homework Activity Guidelines and Rubric Using the questions found at the end of Chapter 9 in your textbook, submit a Word document with the answers to the following questions:

 What is a DBMS? Briefly describe the components of a DBMS.

 Describe a primary key, candidate key, secondary key, foreign key, and a combination key. Use your imagination to provide an example of each key that is not in the textbook.

 What are entity-relationship diagrams and how are they used? What symbol is used for a relationship? What is an associative entity? Provide an example. Note: For the purpose of this assignment, you may use an ERD not related to this specific case study.

Rubric Guidelines for Submission: Homework Activity Module Seven should follow these formatting guidelines: 1–2 pages, double spacing, 3 components of DMBSs are defined, 12-point Times New Roman font, one-inch margins, and APA citations.

Critical Elements Proficient (100%) Needs Improvement (55%) Not Evident (0%) Value

DBMS Defines and identifies DBMSs and DMBS components

Insufficiently defines and/or identifies DMBSs and their components

Does not define or identify DMBSs or their components

30

Keys Compares and contrasts each of the required key types and introduces a key type not related to the assigned case

Insufficiently compares and/or contrasts each required key type as well as the additional key type introduced

Does not compare or contrast the required key types

30

Entity Relationship Diagram

Provides an ERD sample either reflecting the case or via a personally selected scenario

Insufficiently addresses the case study via the ERD provided

Does not provide an ERD 30

Articulation of Response

Submission has no major errors related to citations, grammar, spelling, syntax, or organization

Submission has major errors related to citations, grammar, spelling, syntax, or organization that negatively impact readability and articulation of main ideas

Submission has critical errors related to citations, grammar, spelling, syntax, or organization that prevent understanding of ideas

10

Earned Total 100%