Foreign-keys Questions

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Multiple foreign keys?

I've got a table that is supposed to track days and costs for shipping product from one vendor to another. we (brilliantly :p) stored both the

Db query builder use relationship

I have 1 to many relationships. organization with booking. on the booking table foreign key organization_id. organizations table foreign key
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Nullable foreign key on room

I would know if that is possible to create a possible null reference on foreign key with room. for now my database structure is like this

2 foreign keys one create blade

I think its an easy one but my brain is not trying to comprehend it. so the issue is i have a series table, a seasons table and an episode table.
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Foreign keys on laravel

I'm trying to work with foreign keys on laravel. it's quite simple how to add foreign key on table. but if table can contain more than one foreign
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Laravel relations relation

I have an understanding issue with laravel eloquent models and relations. i have a user table user. these users can add car
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WhereHas on relationship

I'm trying to query a client on a relationship i have setup. it's a 1 - 1 relationship in that a
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Laravel foreign key illformed

I'm having some trouble with migrations in laravel. i keep getting the error that the foreign key constraint is illformed. i can't seem to see
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UML : Optional Foreign Key

I'm sitting with a little headache about a problem right now. i have two entities payment order and account
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