[KongchangAI]
ConceptOpen Table Formats / OTF

Open Table Format

An open-standard table format specification for data lakes, with representative implementations including Apache Iceberg, Delta Lake, and Apache Hudi. It supports multi-engine read/write access, ACID transactions, and metadata management, eliminating vendor lock-in to specific data engines.

Timeline (last 90 days)

Oct 23

Open table formats are a key abstraction layer in the Lakehouse ecosystem, providing table-level metadata management, transactional guarantees and schema evolution capabilities on top of object storage.

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Oct 23

Unlike Oracle's proprietary storage format, open formats allow multiple compute engines (such as Spark, Trino and Flink) to read and write the same table, reducing vendor lock-in risk.

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Sep 11

Open table formats, open APIs, and unified governance are becoming the three cornerstones of building a modern open lakehouse

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