Category: Databases

The “country_data.xlsx” Excel file (posted in the Data module) contains various statistics for the countries of the world. (Some small countries are not included.) The file “country_variables.txt” contains short descriptions of what each of the statistics measures. 1a. Make a histogram of the infant mortality rate variable (Column AE). Discuss this graph. What kind of…

Choose 4 out of 6 the query to create 4 different data visualisations. (the query will be given in the file below) Step 1: Run the query and Export data as the CSV file. Step 2: Use that CSV file to create graphs in Tableau – These visualizations should aim to uncover valuable business insights…

Using the sql script file below to write 800 words report. 1. Export and save the results of the query as CSV file. 2. Import the CSV file in Tableau. 3. Using the above CSV file, carefully examine the columns that offer potential for creating 4 distinct visualizations. 4. These visualizations should aim to uncover…

1. Consider a relation R(A,B,C,D,E,F,G,H) with the following functional dependen 1. Consider a relation R(A,B,C,D,E,F,G,H) with the following functional dependencies: A -> BCD AD -> E EFG -> H F -> GH (a) Based on these functional dependencies, there is one minimal key for R. What is it? (b) One of the four functional dependencies…

Plan Plan your work in Excel by breaking it down into smaller tasks Use a to-do Plan Plan your work in Excel by breaking it down into smaller tasks Use a to-do list or project plan to keep track of progress and deadlines Set goals and priorities to ensure you are making progress Stay focused…

Certainly! Data structures are fundamental components of computer science that o Certainly! Data structures are fundamental components of computer science that organize, store, and manage data efficiently. They are crucial for designing efficient algorithms and solving complex problems. Here are some common data structures: 1. Arrays Description: Contiguous memory locations used to store elements of…

I have two sheets. One sheet shows all that data I have and I need th eother sh I have two sheets. One sheet shows all that data I have and I need th eother sheet to provide the look up info. I need to search the employee name to see what there total pay…

I have two sheets. One sheet shows all that data I have and I need th eother sh I have two sheets. One sheet shows all that data I have and I need th eother sheet to provide the look up info. I need to search the employee name to see what there total pay…

Using e-Commerce Platform submit an Access database with at least two tables and Using e-Commerce Platform submit an Access database with at least two tables and one relationship defined between them. Instead of basing your design on a given document, we are asking you to come up with your own idea for what to track…

Database security is the goal of keeping the information in your database safer. Database security is the goal of keeping the information in your database safer. It is important because of the following points; 1. protection of sensitive data 2 2. maintains data availability 3. business continuity 4. compliance with regulations