DBMS and Data Mining A motor vehicle maintenance center wants to improve its services by using database management systems (DBMS) and data mining. What tables are needed in such a database and how can it help improve their services?   Cardinality Constraints   What are four types of cardinality constraints? Provide personal examples of each. […]

Null Value   Think of a situation where null value should be allowed and a situation where it should not be allowed. What are the consequences of inappropriate null settings?    Many-To-Many Relationship   What are some issues when working with a many-to-many relationship? Provide some examples.   Database Designer   How must a database […]

Why Relational Databases Make Sense for Big Data   Read “Big Data and RDBMS: Can They Coexist?” from Information Week. Note: This article introduces the concept of big data and discusses the types of database models that can be used to implement extremely large amounts of data. It also points out some important benefits of […]

General vs. Special-Purpose Databases Includes 5 Long Answers to Discussion Question   Identify a general purpose and a special purpose database of your choice. Research and compare the general and special purpose databases that you have selected. Describe differences between the two databases.

Database Recommendation   Includes: Option #1   Includes: Option #2   The first and most important database-related decisions are whether to use a database at all and, if so, which database management system to use and why. Today there are dozens of database management systems available; however, some are better suited to specific business environments […]

Database Administrator   Includes Option #1   Includes Option #2   Imagine that you have the educational background, skills, and abilities to be a database administrator. The XYZ company recently announced a vacancy for a database administrator position, and you are very interested because XYZ is known as a high-paying employer that is enjoyable to […]

Select and Update Data in Related Tables   Includes Option #1   Includes Option #2   Running reports on existing data and updating data records are very common tasks in the industry.   For this assignment, you will begin with a database containing several pre-populated tables.   Download and unzip the Microsoft® Access® database (ZIP […]

Create and Populate a Database   Instructions:   Resources: “SQL CREATE DATABASE Statement,” “SQL CREATE TABLE Statement,” “SQL PRIMARY KEY Constraint,” “SQL FOREIGN KEY Constraint,” and “SQL INSERT INTO Statement”   For this assignment, you will create the database you designed in Week 2.   Download the Create a Database document and follow the instructions. […]

Normalized Database Design Assignment   Includes Assignment and MS Visio ERD Diagram (fully editable!)   A relational database must be designed and normalized before it can be created, populated with data, and used. Database design depends on the business scenario(s) a database architect needs to model, but all relational database designs benefit from being normalized. […]

The first and most important database-related decisions are whether to use a database at all and, if so, which database management system to use and why. Today there are dozens of database management systems available; however, some are better suited to specific business environments and applications than others.   For this assignment, you will analyze […]