Multiple Data Stores

-- Multiple Data Stores
-- Turn on Studio API Services if you haven't

local dataStore = game:GetService("DataStoreService")
local playerData = dataStore:GetDataStore("playerData")

-- Some functions

local function onPlayerJoin(player)
    local stats = Instance.new("Folder", player)
    stats.Name = "leaderstats"

    local cash = Instance.new("IntValue", stats)
    cash.Name = "Cash"

    local gold = Instance.new("IntValue", stats)
    gold.Name = "Gold"

    local playerUserId = "Player_"..player.UserId

    local data = playerData:GetAsync(playerUserId)
    if data then
        cash.Value = data["Cash"]
        gold.Value = data["Gold"]
    else
        cash.Value = 10 -- Default cash
        gold.Value = 10 -- Default gold
    end
end

local function create_table(player)
    local player_stats = {}
    for i, stat in pairs(player.leaderstats:GetChildren()) do
        player_stats[stat.Name] = stat.Value
    end
    return player_stats
end

local function onPlayerExit(player)
    local player_stats = create_table(player)

    local playerUserId = "Player_"..player.UserId

    local success, err = pcall(function()
            playerData:SetAsync(playerUserId, player_stats)
    end)

    if not success then
        warn("Could not save data!")
    end
end

game.Players.PlayerAdded:Connect(onPlayerJoin)
game.Players.PlayerRemoving:Connect(onPlayerExit)