SQL Analysis Skill Purpose Enable BAs to validate data requirements, understand current data states, and perform independent data analysis without relying solely on developers. When to Use - Validating migration data. - Understanding current data structures (As-Is). - Troubleshooting user issues ("Why can't I see this order?"). - Generating ad-hoc reports for stakeholders. Core SQL Concepts for BAs 1. The SELECT Statement 2. Filtering (WHERE) - (Exact match) - (Comparison) - (Partial match) - (List) - (Finding missing data) 3. Aggregation (GROUP BY) Summarizing data. 4. Joining Tables (JOIN)…