let
Source = Sql.Database("SERVER", "Storage"),
StorageFacts2017 = Source{[Schema="pbi",Item="StorageFacts_Frozen2017Before"]}[Data],
StorageFacts2018 = Source{[Schema="pbi",Item="StorageFacts_Frozen2018"]}[Data],
StorageFacts2019 = Source{[Schema="pbi",Item="StorageFacts_Frozen2019"]}[Data],
StorageFacts2020 = Source{[Schema="pbi",Item="StorageFacts_Frozen2020"]}[Data],
MainTable = Table.Combine({StorageFacts2017, StorageFacts2018, StorageFacts2019, StorageFacts2020})
in
MainTable