How to implement the structure of friends and subscribers in the database?

R

Roman Rakzin2017-07-01 10:59:43

SQL

Roman Rakzin, 2017-07-01 10:59:43

There are users and I want to implement the structure of friends and subscribers in the database.
Give examples of how this is usually done?

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1 answer(s)

K

Konstantin Tsvetkov, 2017-07-01
@tsklab

Tables.
All friends (view):
user code, friend code
union
friend code, user code