php - Database implementation of simple "like it" functionality -



php - Database implementation of simple "like it" functionality -

i want implement functionality working "like it" in fb.

i want users able simple click button under object like. positive vote.

the thing want remember, objects have maintain in database. let's say, there's 1 type of object maintain simple.

the simplest way create table implement many many relation (users objects).

my questions are:

is reasonable solution in terms of performance? table quite big , used often. ;)

any improve way this?

1) yes, is. remember maintain indexes on both foreign keys (better yet, have both keys composite primary key)

2) not know of.

php mysql sql

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