Apache Iceberg official documentation, Chinese translation and editorial compilation

Primary source: https://iceberg.apache.org/docs/latest/maintenance/
Related sources used for the scoped Spark procedure parameters and outputs, metadata-table queries, and local catalog setup:
- https://iceberg.apache.org/docs/latest/spark-procedures/
- https://iceberg.apache.org/docs/latest/spark-queries/
- https://iceberg.apache.org/docs/latest/spark-getting-started/

The source pages identify Apache Software Foundation as publisher and show no individual byline. The maintenance page footer states Copyright © 2025 The Apache Software Foundation and that the documentation is licensed under Apache License, Version 2.0. See LICENSE-2.0.txt and NOTICE.txt.

This Chinese article translates and combines scoped portions of those pages and includes clearly identified editorial SQL, terminology clarifications, and safety notes. It is an independent translation and is not represented as reviewed, published, or endorsed by the Apache Software Foundation. Apache Iceberg and related names and logos remain ASF trademarks as described in NOTICE.txt.

The included iceberg-maintenance.svg is an original editorial vector illustration created for this article. It is not a source-site image or a runtime screenshot.