--- title: File Format (Model Object) description: File Format (FileFormat) sets the table format of the tables that the generator creates for a model object. --- [Skip to content](https://knowledge.bigenius-x.com/file-format-model-object#main-content) [Contact us](https://knowledge.bigenius-x.com/kb-tickets/new?hsLang=en) [Go to Customer Portal](https://knowledge.bigenius-x.com/customer-portal?hsLang=en) [![TRI\_Logo\_biGENIUS\_2020\_RGB\_s](https://knowledge.bigenius-x.com/hs-fs/hubfs/Marketing/TRI_Logo_biGENIUS_2020_RGB_s.png?width=150&height=42&name=TRI_Logo_biGENIUS_2020_RGB_s.png)](https://www.bigenius-x.com/) Open main navigation Close main navigation - [Contact us](https://knowledge.bigenius-x.com/kb-tickets/new) - [Go to Customer Portal](https://knowledge.bigenius-x.com/customer-portal) How can we help you? - There are no suggestions because the search field is empty. 1. [biGENIUS-X Knowledge Base](https://knowledge.bigenius-x.com/?hsLang=en) 2. [Generators](https://knowledge.bigenius-x.com/generators?hsLang=en) 3. [Properties](https://knowledge.bigenius-x.com/generators?hsLang=en#properties) # File Format (Model Object) **Applies to** Platform: Databricks · Databricks dbt · Fabric Lakehouse File Format (`FileFormat`) sets the table format of the tables that the generator creates for a model object. The only value is `delta`, so every generated table is a Delta table. The property is not available on Microsoft SQL Server, Snowflake, Snowflake dbt, Fabric Warehouse and Oracle. ### Where to set it Set File Format when you [edit a model object](https://knowledge.bigenius-x.com/edit-a-model-object?hsLang=en). It is available on the model object types that these generators store as tables, for example Stage, Store Entity, Hub, Satellite, Fact or Mart Dimension. Source objects do not have it. ### Values - `delta`: the table is created in the Delta Lake format. The [Delta Lake documentation](https://docs.delta.io/latest/index.html) describes the format. ### Default value `delta`. ### Effect on generated tables - Databricks and Fabric Lakehouse: the deployment notebook creates the table with `USING delta`. - Databricks dbt: the dbt model has `file_format='delta'` in its `config` block. ### Example The Stage `LOYALTYCARD` on Databricks keeps the default. Its deployment notebook creates the table like this: ``` CREATE OR REPLACE TABLE ... `stg_st_loyaltycard` ( `bg_sourcefilepath` String NOT NULL ,`bg_loadtimestamp` Timestamp NOT NULL ... ) USING delta ``` A Hub `load_customer_hub` in a Databricks dbt project gets this model configuration: ``` config( materialized='bg_append', ... file_format='delta', ) ``` ### Related articles - Reference: [Optimization Method (Model Object)](https://knowledge.bigenius-x.com/optimization-method-model-object?hsLang=en), [Optimization Method Columns (Model Object)](https://knowledge.bigenius-x.com/optimization-method-columns-model-object?hsLang=en) - See also: [Optimize load performance](https://knowledge.bigenius-x.com/optimize-load-performance?hsLang=en) - [Getting started](https://knowledge.bigenius-x.com/getting-started?hsLang=en#main-content) - [Guidelines](https://knowledge.bigenius-x.com/getting-started?hsLang=en#guidelines) - [Start working](https://knowledge.bigenius-x.com/getting-started?hsLang=en#start-working) - 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