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Data & Analytics · Advanced

Apache Iceberg

An open table format for huge analytic datasets that provides ACID commits, hidden partitioning, schema and partition evolution, and time travel.

Definition

Iceberg tracks table state through metadata files, manifest lists and manifests, so engines can plan queries without listing directories. It is supported by Snowflake, BigQuery (BigLake), AWS (Athena, Glue, S3 Tables), Trino and Spark, and catalogs can use the Iceberg REST specification.

Exam tip

Iceberg's hidden partitioning means users filter on raw columns and still get partition pruning.

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