Know your database.

SQL QUICK REFERENCE

Build your query.

SELECT column, expression AS alias
FROM table_name
JOIN other_table ON table_name.id = other_table.table_id
WHERE condition
GROUP BY column
HAVING aggregate_condition
ORDER BY column DESC
LIMIT 10;

Include only the clauses your question needs. WHERE filters rows; HAVING filters groups.

Choose columns

SELECT title, year FROM movies;

Choose rows

WHERE year >= 2000 AND imdb_score > 8

Match text

WHERE title LIKE '%Star%'

Unique values

SELECT DISTINCT director FROM movies;

Missing values

WHERE column_name IS NULL

Summarize

COUNT(*) · SUM(column) · AVG(column)

Combine text in SQLite

title || ' (' || year || ')'

Examples using movies are for IMDb Movies. Use the exact names in the selected database’s table reference.