Web Reference: If a scalar subquery returns more than one row, a runtime error is generated. Correlated scalar subqueries are currently supported only if they can be statically determined to return one row (e.g. if the SELECT list contains an aggregate function with no GROUP BY). Mar 12, 2025 · In Snowflake I'm trying to de-identify data stored in a JSON column based on configurations in a separate table. I created a custom SQL function DEIDENTIFY_JSON which uses a subquery to look up the de-identification treatment and applies it to an input string. Discover how to fix the 'unsupported sub query type' error in Snowflake with a clear guide on using Common Table Expressions (CTEs) and joins for SQL queries.
YouTube Excerpt: Discover how to fix the 'unsupported
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