php - In mysql which is the best way to fetch friends data with join statement or In statement? -
in social networking site have scenario taking news feed of friends against logged in user.
i have user table, membership table , feed table. here membership table using friends data. user table have more 100k entries , membership take have more 400k entries.
i have 2 way take friends feed... either joining feed , membership tablle
select * feed join membership on ... ....
or in statement like
select * feed user_id in (userids of friends)
here facing loading issue when making join statement newly registered user having single friend.
so best method along robust future run ?
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