# Migrating from Amazon Glue DataBrew to Amazon Glue Studio
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 If you have recipes in Amazon Glue DataBrew, use the following checklist to migrate your recipes to Amazon Glue Studio. 


| If you want to | Then do this | 
| --- | --- | 
|  Allow users to retrieve Amazon Glue DataBrew recipes, recipe versions, and recipe descriptions.  |  Add IAM permissions to a policy that allows your role to access the necessary actions. See [IAM permissions for Amazon Glue DataBrew](glue-studio-data-preparation-import-recipe.md#glue-studio-databrew-permissions).  | 
|  Import an existing Amazon Glue DataBrew recipe into Amazon Glue Studio.  |  Follow the steps in [Importing an Amazon Glue DataBrew recipe](glue-studio-data-preparation-import-recipe.md#glue-studio-databrew-import-steps).  | 
|  Import a recipe with JOIN and UNION.  |  Recipes with UNION and JOIN transforms are not supported. Use the Join and Union transforms in Amazon Glue Studio before or after a Data Preparation Recipe node.  |