Clickhouse introduces a new, powerful JSON data type, designed to optimize handling semi-structured JSON data in columnar databases. Key features include dynamic data support without type unification, high-performance dense storage, and scalability for petabyte-scale datasets. The new data type leverages “Variant” and “Dynamic” types to handle mixed data types and minimize file storage issues. These innovations enhance compression, query performance, and storage management, enabling efficient analytics for large, complex JSON datasets.
For more details, visit the announcement here: https://clickhouse.com/blog/a-new-powerful-json-data-type-for-clickhouse.
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