The Enterprise edition of Snowflake allows for a dedicated metadata store, providing additional features designed for large-scale enterprises Reference: https://docs.snowflake.com/en/user-guide/intro-editions.html

Dynamic data masking is a feature in Snowflake that allows administrators to define masking policies to protect sensitive data. It enables partial visibility of the data to certain roles, such as functional managers, while hiding it from others, like end users

The query results cache can be used as long as the data in the table has not changed since the last time the query was run. If the underlying data has changed, Snowflake will not use the cached results and will re-execute the query1.