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A data engineer needs to implement column masking for a sensitive column in a Unity...

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A data engineer needs to implement column masking for a sensitive column in a Unity Catalog-managed table. The masking logic must dynamically check if users belong to specific groups defined in a separate table (group_access) that maps groups to allowed departments.

Which approach should the engineer use to efficiently enforce this requirement?

A.

Create a UDF that hardcodes allowed groups and apply it as a column mask.

B.

Create a view without selecting the sensitive column.

C.

Apply a column mask that references the group_access mapping table in its UDF.

D.

Use a row filter to restrict access based on the user’s group.

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