Execute the code contained within the “Ch07_ConstructCo_MySQL.txt” file attached. Review the tables created (JOB, EMPLOYEE, PROJECT, ASSIGNMENT) by the SQL statement. Create an ERD Diagram for the database tables showing the relationships between the tables. Be sure to identify any primary or foreign keys (40 points) Write SQL statements to return the following (All queries […]
Tag Archives: database
What does the term “aggregate functions” refer to-What are the various aggregate operations used in relational operations?
Assignment 1 Question One a) What is natural join operation in relational algebra and why do we need it. (b) From the below given tables: Student SID Name Grade Dept-ID 1 Abdullah 95 CS 2 Naif 94 IT 3 Rayan 92 DS 4 Suleman 93 DS Enrolled Department Dept-ID Department CS Computer Science IT […]
Define five mini-world Entities and five Relationships for a hospital database system.
Fundamentals of database 1- Using spreadsheets or typical computer-based filing systems looks a reasonable choice for organizing personal data. However, it is not sufficient to use such systems when the amount of data becomes huge. In such case, it may be time to implement a database. 2- Define five mini-world Entities and five Relationships for […]
Propose relevant metrics that should be collected to ensure that the information governance program is effective.
Literature review Scenario: You have recently been hired as a Chief Information Governance Officer (CIGO) at a large company (You may choose your industry). This is a newly created position and department within the organization that was founded on the need to coordinate all areas of the business and to provide governance of the information. […]
Discuss/define the data independence concept provided by the three-schema database systems architecture.
Discussion regarding data independence concept Discuss/define the data independence concept provided by the three-schema database systems architecture. What are the two types of data independence? Which type is much harder to achieve and why?
How specifically would this type of information system add capacity to enhancing patient safety and positive outcomes?
Unit 6 Discussion Nursing Informatics Database Systems in Nursing How would you as a practicing nurse go about making a compelling case to organizational leaders and nursing executives of the need to have data-based systems that have the capacity to support “patient-driven” decisions in your current or future organization? What objections do you think the […]
When designing a database, what are the advantages and disadvantages of using a prototype?
Data Model and designing of data models Your submission should be an essay of 5-10 pages (double spaced) in total. The material for these questions is found in the text (Chapters 1-5) and/or the lectures (primarily the text). What are the advantages and disadvantages of the relational model? What is the role of the data […]
Identify assumptions made and plan for validation of those assumptions.
BIS-320: Managerial Relational Database System Getting Started This assignment uses the The Queen Anne Curiosity Shop case study in Chapter 4. At this point, the usefulness of converting the sample data into a properly structured database will clarify. It is usually very encouraging to see how producing the database creates the potential for the success […]
Create an Entity Relationship Diagram (ERD) of the normalized version of this table using Visio’s crows-foot notation.
To demonstrate your understanding of using ERDs and solving the multi-column problem Assignment: This is a continuation of the previous Assignment 3 as an example of a horrible database design. Create an Entity Relationship Diagram (ERD) of the normalized version of this table using Visio’s crows-foot notation. The ERD should show the PK and FK […]
Create a relationship board with all three tables and two relationships.
DISCUSSION QUESTION Your Tasks in this Assignment Create a new database, and name it ABC Publish-First name Last name. Save it onto your computer. In this database, create two tables (Authors and Textbooks) from scratch, using the field information and data records provided above. Import the third table Authorship Log from the spreadsheet file provided. […]
