Use STDDEV/VARIANCE for data spread analysis

Calculate percentiles with PERCENTILE_CONT/PERCENTILE_DISC

Apply MEDIAN for central tendency

Combine statistical functions with GROUP BY

Interpret statistical metrics in business context

Understand database-specific function availability

Use STDDEV/VARIANCE for data spread analysis

Calculate percentiles with PERCENTILE_CONT/PERCENTILE_DISC

Apply MEDIAN for central tendency

Combine statistical functions with GROUP BY

Interpret statistical metrics in business context

Understand database-specific function availability