Datastore: why (and when) to use scopes?

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#1

For example, to store player data, I could have only one DataStore and each player is a key, and all player data is inside a multilevel dictionary.

local DataStoreService = game:GetService("DataStoreService")
local PlayersStore = DataStoreService:GetDataStore("PlayerStore")
local UserTable = PlayersStore:GetAsync("User_1234") --< all data from UserId 1234

I think scope would be just a kind of filter.
In this case, I could filter the data (via script) directly on the table I already have, without the need for a scope.

So what is the advantage (if any) of using scope?

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#2

Can you explain in detail please?

#3

Advantages may be looping through all the players if you want to perform an action on all of them for example diving money or wiping the data

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#4

But I could do the same without scopes…

#5

You aren’t able to loop through datastore keys. How would you do that?

for i, v in pairs(DataStore:GetAsync(key?)) do

end
#6

https://developer.roblox.com/en-us/api-reference/function/DataStore/ListKeysAsync

#7

Oh you were talking about this, then scopes as dictionaries could be usefull to do the same thing but for values in an array

#8

There isn’t an advantage to using scopes. I believe not even internally. They’re just a way to separate DataStores with the same name.

Functionality wise, doing :GetDataStore("Name_Scope") or :GetDataStore("Name", "Scope") is the same.

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