collections - Sql VS NoSql maintaining a network of friends -


suppose, person has multiple friends , each of friends, further has multiple friends. consider connection or network of friends.

the sql way: maintain single table of users , in it, keep his/ list of friends, perhaps string delimiter.

the nosql way: maintain friends list in each documents or maintain collection each user.

if maintain collection each user, have impact on speed, because volume of users can high.


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