ExcelR’s Data Analytics Certification equips learners with in-demand skills in data analysis, visualization, and business intelligence tools like Excel, SQL, Power BI, and Python. Designed for beginners and professionals, the course offers hands-on training, real-world projects, and expert mentorship. Gain practical knowledge to drive data-driven decisions and enhance your career oppo... https://blogulr.com/excelr_da/advanced-sql-mastering-window-functions-joins-and-subqueries-for-powerful-data-retrieval-139353