sql server - SQL: How to display the top 10 list of the users name who has the most item? -


i new sql , thought need basics.

i want display top 10 users name , amount of users friends. how ?

the top 10 list out user has friends count in descending order proble m have no clue how code .

app_id user

app_friends_id users friends

app_id     app_friends_id     40          20  40          10  30          30  40          50

there 3 app_id 40 , want display app_id 40 , app_friends_id's total count 3. sorry bad explanation.

if understand, can try this:

select top 10 app_id,count(app_id) 'count_of_friend'  table  group app_id  order 2 desc

the result is:

app_id        count_of_friend    40                3    30                1

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