Source
SnowConvert AI - General Functional Differences
This message is reported when a Correlated Subquery (subquery that refers to a column from the outer query) is located. This type of subqueries can, in some cases, present some functional differences in Snowflake (Working with Subqueries).
Cross DB platform table data validation using MD5 BITXOR aggregation
ISSUE: Often after data from other database vendors like Oracle, MS SQL, PostgreSQL, and Teradata is migrated, data needs to be validated in a meaningful and timely manner.