SQL Interview Questions for Insight Analysts

Ace your insight analyst interviews with this comprehensive SQL course, focusing on practical problem-solving and efficient query design.
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SQL Fundamentals for Data Analysis

Unit 1: Introduction to SQL and Databases

Unit 2: Filtering and Sorting Data

Unit 3: Aggregating Data

Unit 4: Joining Tables

Advanced SQL Techniques for Insight Analysts

Unit 1: Common Table Expressions (CTEs)

Unit 2: Window Functions

Unit 3: Subqueries

Unit 4: Cohort Analysis

Unit 5: Trend Identification

Unit 6: Data Types and Formats

SQL Optimization and Performance Tuning

Unit 1: Understanding Query Execution Plans

Unit 2: Indexing Strategies

Unit 3: Rewriting Inefficient SQL

SQL for A/B Testing and Statistical Analysis

Unit 1: A/B Testing Fundamentals with SQL

Unit 2: Statistical Significance in SQL

Unit 3: Confidence Intervals with SQL

Unit 4: Communicating Results