Prerequisites to Create a Microsoft Azure Data Lake Storage Gen2 Connection

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Permissions to access resources using access control lists

You can use access control lists to grant different levels of permissions to access directories and files to each user and service. If you do not want to use role-based access control to grant access to all of the data in a storage account, you can use access control lists to grant read

, write,

and execute permissions to a specific directory or file.

When you grant access to a file, you must assign the

execute

permission to the root folder of the container and to each folder in the hierarchy of folders that lead to the file.

The following table lists the permissions required when you create a mapping to access Microsoft Azure Data Lake Storage Gen2 using access control lists:

Action	Permissions
Test a connection	Read and execute permissions for the source or target folder .
Access an object	Read and execute permissions for the source folder that contains the object.
Select a file format	Read permission for the source file.
Preview data	Read permission for the source file.
Read data from a file or directory as source type	Read permission for the source file.
Use wildcard characters or recursive directory read	Read and execute permissions for the folders for which you want to use wildcard characters or recursive read. Read permission for the source file.
Overwrite a folder or file	Write and execute permission for the target folder that contains the target file or folder that you want to overwrite. Read, write, and execute permissions for the file or folder that you want to overwrite.
Append data to an existing file	Read and write permissions for the target file. When you use managed identity authentication, assign read, write, and execute permissions to the target file.

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Table of Contents

Prerequisites to Create a Microsoft Azure Data Lake Storage Gen2 Connection

Prerequisites to Create a Microsoft Azure Data Lake Storage Gen2 Connection

Permissions to access resources using access control lists

Permissions to access resources using access control lists