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Watch the 36-minute video on ‘Data Analytics at Facebook' at www.youtube.com/watch?v=D19.JiG-Ow9g or https://bit.ly/1Vk0r3K or tinyurl.com/facebook-data-analytics
Answer the following 2 questions:
1. What do you understand by data analytics?
2. a- Name one other company that you think might be able to use data analytics fruitfully. Why do you think it might be productive for that company to use data analytics?
b- Call up any one company that uses data analytics. Try and speak to the person who is in charge of data analytics. Find out how they use data analytics arid report back.
Assume that data warehouse consists of three dimensions time, customer, and cell phone plan, and two measures number of calls and cell phone bill. Sketch a schema diagram for above data warehouse using star schema.
From the e-Activity, select an organization, and explain the advantages and disadvantages of using an object-oriented database and a NoSQL database in its marketplace
Start Access. Open the downloaded Access file named exploring_a02_grader_h1. Create a new table in Datasheet view using the name Donations. Switch to Design View and change ID to DonationID. Add the following field names to the table: DonorID, Plan..
How many sorted subfiles will there be after the initial pass of the sort, and how long will each subfile be?
Explain the usefulness of converting data currently held in Microsoft Excel spreadsheets into a relational database using Microsoft Access. Describe the benefits of using Microsoft Access in the work environment
Produce a distributed data design for this enterprise. Show data fragmentation/partitioning and replication for each regional database location. Indicate what attributes are in each fragment
Imagine you are a senior systems administrator who has recently been given the task to help improve security of your company's IT infrastructure after a series of network security breaches.
Describe entities and attributes that the website must track.
Given the following table, identify the functional dependencies: In the table provided below, fill in the following data such that it is completely un-normalized. That is, it is not even in 1NF
Create the relational model corresponding to the described application. Basically, list the CREATE TABLE statements with the attribute names, and appropriate data types.
Submit an Executive Memo addressed to the CIO and the board of directors. Last week, the CIO reviewed your presentation and has decided to move forward with your recommendations for improvements.
Import your IDEF1X diagram into Oracle and create the appropriate tables and relationships. Your design should include a specification of tables, attributes, primary and foreign keys, referential integrity constraints, and referential integrity ac..
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