Vertica provides great support to work with Parquet files as external tables: https://www.vertica.com/docs/9.2.x/HTML/Content/Authoring/AdministratorsGuide/Tabl

Vertica provides great support to work with Parquet files as external tables: https://www.vertica.com/docs/9.2.x/HTML/Content/Authoring/AdministratorsGuide/Tables/ExternalTables/ORC-Parquet.htm https://www.vertica.com/docs/9.2.x/HTML/Content/Authoring/Ad... We use this feature to build a staging layer for incoming files before loading to the data warehouse.