How to efficiently query semi-structured JSON in Snowflake and flatten nested arrays?
16:48 22 Nov 2025

What are the efficient ways in Snowflake to

Flatten JSON arrays in a VARIANT column Extract scalar fields and avoid performance issues on large tables (10M+ JSON rows)

Are there recommended optimizations such as clustering keys, caching behavior, or storing the items array in a separate table?

snowflake-schema