Hello, Please write the SQL queries mentioned in the below PDF Submit your responses as a PDF file . 1. Write a query that produces a list of student names and their GPAs. 2. Write a query that shows each student status (Fr, So, Ju, Se) along with the highest GPA of that student status.…
We recently learned about triggers and stored procedures. Consider your life as a relational database and define 5 triggers and 5 stored procedures that would be useful in your life. Write pseudo-code for such triggers and/or stored procedures. For example: CREATE OR REPLACE TRIGGER brush_my_teeth BEFORE UPDATE OR INSERT ON sleep_tracker FOR EACH ROW BEGIN…
Prepare a paper that discusses this issue. The paper should identify and describe various issues related to network security, including (but not limited to) the following:Viruses Worms Buffer overflows Network traffic pilfering Man-in-the middle attacks Provide recommendations for mechanisms that can be applied to reduce the spread and impact of each. Provide a statistical breakdown…
Many organizations, businesses, and researchers are working to deal with large amounts of data in an effective manner. Web applications by analytics , social networks and scientific applications are some examples. Hadoop MapReduce is a prominent large data processing engine. Early versions of Hadoop MapReduce had serious performance issues. This is quickly becoming history. There…
We recently learned about triggers and stored procedures. Consider your life as a relational database and define 5 triggers and 5 stored procedures that would be useful in your life. Write pseudo-code for such triggers and/or stored procedures. For example: CREATE OR REPLACE TRIGGER brush_my_teeth BEFORE UPDATE OR INSERT ON sleep_tracker FOR EACH ROW BEGIN…
Q1) (Chapter 14): Discuss insertion, deletion, and modification anomalies. Why are they considered bad? Illustrate with examples. Q2) (Chapter 15): What is meant by the closure of a set of functional dependencies? Illustrate with and example.
5-38 Write SQL data definition commands for each of the following queries: How would you add an attribute, Class, to the STUDENT table? How would you remove the REGISTRATION table? What would you need to take into account if you wanted to remove the COURSE table? How would you change the FacultyName column from 25…
Given the following purchase order document, create an Access database with at least two related tables each with a primary key and at least one other field to hold the information in the document. Make sure to Save and Close your Access database before submitting.
Create a logical dimensional model (using Lucidchart, draw.io, etc.) of the dataset (see Instructions section above) based on dimensional modeling principles taught in the lectures and readings. After creating your model, to submit it you will need to upload a file containing your model from your computer. To save the model you created to your…
4-28. For each of the following E-R diagrams from Chapter 2: Transform the diagram to a relational schema that shows referential integrity constraints (see Figure 4-5 for an example of such a schema). For each relation, diagram the functional dependencies (see Figure 4-23 for an example). If any of the relations are not in 3NF,…