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 LiveInternet.ru:
: 16.03.2006
:
:
: 4

:


user_id

, 05 2016 . 21:27 +
2 .
:
user_id	cdate
166 1448095759
166 1445611138
166 1455777166
229 1423499149
229 1442648927
224 1458758619
66 1273854331
99 1355864765
99 1362604775

:
user_id	last_name	first_name	middle_name
166 1 1 1
229 2 2 2
224 3 3 3
66 4 4 4
99 5 5 5

cdate - unix

, 2015- , 2016-? 2015- .

SELECT max(cdate), user_id
FROM ast_vm_orders
WHERE (cdate>1420070401 AND cdate<1451606401)
GROUP BY user_id;

, 2016-. ?

http://www.sql.ru/forum/1208574/vybrat-user-id-za-predydushhiy-god


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