A. For Data loading of files with semi-structured file formats (JSON, Avro, etc.), the only supported character set is UTF-16.

B. For loading data from all semi-structured supported file formats (JSON, Avro, etc.), as well as unloading data, UTF-8 is the only supported character set.

C. For Local environment, Files are first copied ("staged") to an internal (Snowflake) stage, then loaded into a table.

D. UTF-32 & UTF-16 both encoding character sets supported for loading data from de-limited files (CSV, TSV, etc.)