🧩 Special SQL Features

Snowflake offers several unique SQL functions that can simplify queries and improve efficiency.

A few examples:

• QUALIFY → Post-filter window functions directly in the SELECT statement
• MAX_BY() → Retrieve the maximum value along with another column
• EXCLUDE → Easily exclude columns from a SELECT without manually listing them
• HLL (HyperLogLog) → Approximate distinct count, useful for very large datasets