sql - Count DateTime Stamp For Results -
i have table containing list of userids
, datetime stamp
when transaction carried out. looks following:
userid | stamp john11| 01/01/2013 01:15:27
i return query shows period of time how many transactions each user has done.
i have tried count
due time part of stamp
counts each individual millisecond rather overall.
thanks in advance
use time_to_sec function actual value.
select count(userid), userid table time_to_sec(stamp) between fromtime , totime -- fromtime , totime interval period
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