Part 1: (Chapter 8): Excel is probably the most popular spreadsheet software for PCs. Why? What can we do with this package that makes it so attractive for modeling efforts? And also, write 2 Comments

Part 1: (Chapter 8): Excel is probably the most popular spreadsheet software for PCs. Why? What can we do with this package that makes it so attractive for modeling efforts?

And also, write 2 Comments, each 200 words on above topic.

Part 2: (Chapter 9): What are the common business problems addressed by Big Data analytics? In the era of Big Data, are we about to witness the end of data warehousing? Why?

And also, write 2 Comments, each 200 words on above topic.