Answer: Javascript, SQL

The question asks for two languages that can be used to implement Snowflake User-Defined Functions (UDFs). According to Snowflake's official documentation referenced in the community discussion, the supported languages for UDFs are Java, JavaScript, Python, and SQL. Among the given options, JavaScript (B) and SQL (C) are explicitly listed as supported languages. Ruby (A), PERL (D), and C# (E) are not supported for UDF implementation in Snowflake. The community discussion shows 100% consensus on BC, with upvoted comments confirming these as correct based on Snowflake's documentation.

Author: LeetQuiz Editorial Team