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Alex (Yu-Hao) Hsu is a data-driven professional with extensive experience in data analysis, visualization, and statistics, currently working as a Production Planning Engineer at TSMC. With a background in prominent companies like Amazon and BNP Paribas, Alex is skilled in various analytics tools, including Python, R, SQL, Power BI, and Tableau. He is dedicated to continuous learning in data science, evidenced by his advanced studies in machine learning and deep learning, and he actively shares SQL insights to help others enhance their data skills.
In the fast-paced world of data analysis, efficiency is key to maintaining productivity. As a Business Analyst, you’re constantly tasked with retrieving, cleaning, and analyzing large datasets to provide actionable insights for decision-makers. However, managing multiple tables, especially when they contain related data, can lead to redundancy and inefficiencies in your workflow. One simple yet […]
