To calculate and plot the average amount of queries per pageview per month

queries.sql

-- Upload to https://chart-studio.plot.ly/create
SELECT
    `date`,
    `amount` / `pageviews` AS `queries_per_page`
FROM
    `log_queries`;

SELECT
    `date`,
    AVG(`amount` / `pageviews`) AS `queries_per_page`
FROM
    `log_queries`
GROUP BY
    MONTH(`date`), YEAR(`date`)
ORDER BY
    `date` ASC;