Data Glossary 🧠
What is ORC?
The Optimized Row Columnar (ORC) Data Lake File Format provides a highly efficient way to store Hive data. It was designed to overcome the limitations of the other Hive file formats. Using ORC files improves performance when Hive is reading, writing, and processing data.
Read more about how to build a Data Lake on top of it on our Data Lake and Lakehouse Guide.