Answer: UTF-8

The correct answer is UTF-8 based on Snowflake's official documentation and the community discussion consensus. According to Snowflake's documentation for loading delimited files (CSV, TSV, etc.), UTF-8 is the default character set. The community discussion shows 100% agreement on answer A, with multiple users confirming this is verified by official documentation. UTF-16, ISO 8859-1, and ANSI_X3.4 are not the default character sets for CSV file loading in Snowflake.

Author: LeetQuiz Editorial Team