Executive Summary Retail companies generate vast amounts of transactional data every day. However, data alone has little value unless it is transformed into actionable insights that support business decisions. SQL remains one of the most essential tools for extracting, cleaning, and analyzing business data because it allows analysts to efficiently query large databases and uncover…

Project Overview Studying in another country can provide valuable academic and personal opportunities, but it may also introduce challenges such as language barriers, cultural adjustment, homesickness, and separation from established support networks. In this project, I used SQL to investigate whether international and domestic university students differed in depression, social connectedness, and acculturative stress. I…