Microsoft Fabric storage uses OneLake and Delta Tables, the core storage of all Fabric objects, as explained in my introduction to Microsoft Fabric.
Either if you use lakehouses, data warehouses, or even datasets, all the data is stored in the OneLake. OneLake uses Delta Tables as storage. In this way, we need to be aware of some “secrets” related to delta table storage in order to make the best decisions possible for our data platform solution.
Let’s analyze some of the Parquet and Delta Table behaviors.
Parquet and Delta
Parquet is an open source format which became famous as one