In a data lakehouse; which component ensures that multiple query engines see a consistent view of table schemas and file locations?
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Short Explanation and Infographic
A shared metadata catalog (Hive Metastore; Iceberg REST catalog; or a unified catalog) provides a single source of truth for schemas and file locations; ensuring all query engines — Presto; Spark; Flink — have a consistent view.
Full explanation below image
Full Explanation
A shared metadata catalog (Hive Metastore; Iceberg REST catalog; or a unified catalog) provides a single source of truth for schemas and file locations; ensuring all query engines — Presto; Spark; Flink — have a consistent view. The incorrect options ("The query optimizer within each individual engine", "The object storage ACL policies", "The medallion architecture's Gold-layer tables") are distractors that don't fully capture the concept described.