15 SQL Commands Every Data Analyst Must Learn PowerBI Course at Rs 99. If you want to work with data professionally, SQL is non-negotiable . Dashboards, BI tools, AI models, and reports all depend on structured data , and SQL is the language that lets you ask the right questions from that data. As a data analyst, you don’t need all of SQL — but you must master the essentials. Below are 15 SQL commands that cover 90% of real-world analyst work . 1. SELECT — Fetching Data The foundation of SQL. Every analysis starts here. SELECT * FROM sales; Used to retrieve columns and rows from a table. 2. WHERE — Filtering Records Filters data based on conditions. SELECT * FROM sales WHERE region = 'North' ; Critical for isolating relevant data. 3. DISTINCT — Removing Duplicates Helps identify unique values. SELECT DISTINCT country FROM customers; Very common in profiling data. 4. ORDER BY — Sorting Results Sorts data in ascending or descending order...