Snowflake provides rich support of subqueries. But, some scalar subqueries that are available in the relational databases such as Oracle are not supported in Snowflake yet. We have to identify the alternate methods for such a subqueries. In this article, we will check Snowflake unsupported subquery issue and how to resolve it? Snowflake Unsupported subquery Issue SQL compilation error: Unsupported subquery type cannot be evaluated You are here because you might have got above error message during SQL migration from databases such as Oracle. For example, consider following Oracle query…