php - How to get Weekly data from MySQL database table using week number of month? -


i have database table studentvideos. want retrieve data table based on week number of month means how time video watched in week , time specified totaltime column in table structure , noofviews column specifies how many times video watched. week number specified column in table structure wofmonth.

lets have video named vid1, vid1 watched 2 time each 10 secs in week 1 , 1 time 10 secs in week 2.

i want response in nested array/json form in have week number tag each week , each week number video name, sum of time video watched in specific week (e.g week 1 array have vid1 time 20 secs , week 2 array have vid1 time 10 secs) , number of time video watched in week.

screenshot of studentvideos table

i tried following query don't know how modify or rewrite query desired result explained above.

"select videoid, sum(noofviews), sum(totaltime) studentvideos group videoid";

result: result of above query

after trying many different things answer simple. posting correct answer, may face such problem in future. multiple group did trick me.

query:

"select wofmonth weeknumber,videoid,sum(noofviews)as totaltime,sum(totaltime) noofviews studentvideos group wofmonth,videoid"


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