mysql - Merging 2 queries in Select COUNT(*) per day -

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i have 2 tables logs , tracks each 1 holds timestamp different name try logs per day given shop , on same time number of tracks per day in tracks table

select date(clicktime), count(shop) log shop = "shop01" , (clicktime > date_sub(now(), interval 30 day)) group date(clicktime);

this query gathers entries in log table per day , result looks like

-------------------------------- clicktime          |  clicks -------------------------------- 2014-12-25         |   342     --------------------------------  2014-12-24         |   232 --------------------------------

i sales per day on second table following

select date(last_change) saletime, count(shop) sale tracks shop = "dd01" , (last_change > date_sub(now(), interval 30 day)) , relevant = 1 group date(last_change)

outputs

-------------------------------- saletime           |  sales -------------------------------- 2014-12-25         |   42     --------------------------------  2014-12-24         |   32 --------------------------------

and merge 2 queries in 1 to have output like

----------------------------------------- time               |  sales    |  clicks ----------------------------------------- 2014-12-25         |   42      |  342 -----------------------------------------  2014-12-24         |   32      |  232 -----------------------------------------

i trying using union subquery 1 can't work in may case because different table structures

is there way achieve desired?

try this: 

select a.clicktime, a.shopcnt, b.salecount (select date(clicktime) clicktime, count(shop) shopcnt         log         shop = "shop01"         , (clicktime > date_sub(now(), interval 30 day))         group date(clicktime)       )  inner join (select date(last_change) saletime, count(shop) salecount                 tracks                 shop = "dd01"                 , (last_change > date_sub(now(), interval 30 day))                 , relevant = 1                 group date(last_change)               ) b on a.clicktime = b.saletime

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