Databricks Certified Machine Learning - Associate
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In the context of a machine learning pipeline, explain the benefits of using a Feature Store and provide a step-by-step process to create a feature store table in Databricks, including the necessary code snippets.
A
Feature Store is a centralized repository for storing and accessing features for machine learning models. It helps in maintaining consistency, reducing data duplication, and improving the efficiency of the machine learning pipeline.
B
To create a feature store table in Databricks, first, define the schema of the table using the StructType function. Then, create a DataFrame with the required data and schema. Finally, use the feature store API to create the table and write the DataFrame to it.
C
Feature Store is not necessary for machine learning pipelines as it only adds complexity and does not provide any significant benefits.
D
Creating a feature store table in Databricks is a manual process that requires writing custom code for each table.