Databricks

It depends. If you specify the schema it will be zero, otherwise it will do a full file scan which doesn’t work well processing Big Data at a large scale.CSV files Dataframe Reader https://spark.apache.org/docs/latest/api/python/reference/api/pyspark...

dbutils.fs.mkdirs("/foobar/")See https://docs.databricks.com/data/databricks-file-system.html

Yes, you can use the API https://www.mlflow.org/docs/latest/python_api/index.html

The difference between Global and Temp is how the lifetime of the view is tied to the application:http://spark.apache.org/docs/latest/api/python/reference/api/pyspark.sql.DataFrame.createOrReplaceTempView.html?highlight=createorreplacetempview#pyspar...

Normalization typically means rescales the values into a range of [0,1].Standardization typically means rescales data to have a mean of 0 and a standard deviation of 1 (unit variance).