Essential Concepts for Interview Preparation Top 10 SQL Concepts for Job Interviews 1. Aggregate Functions (SUM/AVG) 2. Group By and Order By 3. JOINs (Inner/Left/Right) 4. Union and Union All 5. Date and Time Processing 6. String Processing 7. Window Functions (Partition By) 8. Subquery 9. View and Index 10. Common Table Expression (CTE) Top 10 Statistics Concepts for Job Interviews 1. Sampling 2. Experiments (A/B Tests) 3. Descriptive Statistics 4. p-value 5. Probability Distributions 6. t-test 7. ANOVA 8. Correlation 9. Linear Regression 10. Logistic Regression Which SQL concept do you find most challenging, and why? Share ur thoughts 🧐
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