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Excel Power Query isn't just for experts or big data—it's an everyday tool you should be using
Power Query replaces risky and time-consuming manual edits with a safe, user-friendly system that speeds up everyday ...
Answer key business questions about a food import company using pure SQL on MySQL, without visualization tools. The focus is to demonstrate query skills, multi-table joins, and actionable insight ...
📊 Phase 4: Building the Staging Reporting Layer (SQL View) Once the data constraints were fully locked into the base database tables, a specialized virtual staging layer (v_HospitalAdmission) was ...
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