At the end of the inventory process a file gets uploaded to the cloud object storage, you are asked to build a process to ingest data which of the following method can be used to ingest the data incrementally, the schema of the file is expected to change overtime ingestion process should be able to handle these changes automatically. Below is the auto loader command to load the data, fill in the blanks for successful execution of the below code. spark . readStream . format ( "cloudfiles" ) . option ( "cloudfiles.format" ,” csv ) . option ( "_______" , ‘ dbfs : /location/ checkpoint /’) . load ( data_source ) . writeStream . option ( "_______" ,’ dbfs : /location/ checkpoint /’) . option ( "mergeSchema" , "true" ) . table ( table_name ))