Aggregation | SQLite

📄️ Aggregate Functions

Learn how SQLite aggregate functions summarize many rows into meaningful metrics like counts, totals, and averages.

Count rows and non-null values in SQLite using COUNT(*), COUNT(column), and grouped counts.

Calculate totals with SQLite SUM across entire tables or per group for reporting and analysis.

Compute average values in SQLite with AVG and understand null handling in mean calculations.

Find the smallest value in SQLite datasets using MIN for numeric, date, or text comparisons.

Find the largest value in SQLite data with MAX for amounts, timestamps, and ranked metrics.

Group SQLite rows by one or more columns and calculate per-group summaries with aggregate functions.

Filter grouped results in SQLite using HAVING, and understand when to use WHERE versus HAVING.