SELECT visitor_id, url FROM (SELECT id FROM log WHERE ip="123.45.67.89" order by ts desc limit 50, 10) I JOIN log ON (I.id=log.id) JOIN url ON (url.id=log.url_id) order by TS desc;
SELECT city FROM( SELECT city_id FROM city WHERE city = "A Corua (La Corua)" ORDER BY last_update DESC LIMIT 50, 10) I JOIN city ON (I.city_id = city.city_id) JOIN country ON (country.country_id = city.country_id) ORDER BY city DESC;
SELECT
visitor_id, url
FROM
(
city
FROM(
SELECT
id
city_id
FROM
LOG
city
WHERE
ip= "123.45.67.89"
city = "A Corua (La Corua)"
ORDER BY
ts desc
last_update DESC
LIMIT
50, 10) I
JOIN LOG ON (I. id= LOG. id)
JOIN url ON (url. id= LOG. url_id)
JOIN city ON (I. city_id = city. city_id)
JOIN country ON (country. country_id = city. country_id)
ORDER BY
TS desc;
city DESC;
DELETE city, country FROM city INNER JOIN country using (country_id) WHERE city.city_id = 1;
DELETE city, country
FROM
...
...
@@ -1490,24 +1489,24 @@ ADD
ADD
index `idx_store_film` (
`store_id`, `film_id`);
SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d');
SELECT DATE_FORMAT(t.last_update, '%Y-%m-%d'), COUNT(DISTINCT (t.city)) FROM city t WHERE t.last_update > '2018-10-22 00:00:00' AND t.city LIKE '%Chrome%' AND t.city = 'eip' GROUP BY DATE_FORMAT(t.last_update, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.last_update, '%Y-%m-%d');