If the object is contained within a catalog or schema (for example, a table or view), the owner of the catalog or schema can also list all grants on the object. Unity Catalog supports the SQL keywords SHOW, GRANT, and REVOKE for managing privileges on catalogs, schemas, tables, views, and functions.Īn object’s owner or a metastore admin can list all grants on the object. If you created your Unity Catalog metastore during the public preview (before August 25, 2022), you can upgrade to Privilege Model version 1.0 with privilege inheritance. Similarly, privileges granted on a schema are inherited by all current and future objects within that schema. This means that granting a privilege on the catalog automatically grants the privilege to all current and future objects within the catalog. Securable objects in Unity Catalog are hierarchical and privileges are inherited downward. See Unity Catalog privileges and securable objects. Unity Catalog privilegesĪccess privileges can be granted by either a metastore admin, the owner of an object, or the owner of the catalog or schema that contains the object. See Manage Unity Catalog object ownership. Object owners have all privileges on that object, including the ability to grant privileges to other principals. Object ownershipĪll securable objects in Unity Catalog have an owner. It can take up to 30 seconds for a metastore admin assignment change to be reflected in your account, and it may take longer to take effect in some workspaces than others. You can enter text in the field to search for options. Click the name of a metastore to open its properties.To transfer the metastore admin role to a group: By doing this, any member of the group is automatically a metastore admin. ![]() Databricks recommends that the account admin delegate this responsibility by nominating a group as the metastore admin. The account admin who creates a metastore is its initial owner and metastore admin. Grant themselves read and write access to all data in the metastore (no direct access by default granting permissions is audit logged).Read and update the metadata of all objects in the metastore.Manage the privileges or transfer ownership of any object within the metastore, including storage credentials, external locations, shares, recipients, and providers.Create catalogs, external locations, shares, and recipients.Metastore admins have the following permissions: The metastore admin is a highly privileged user or group in Unity Catalog. ![]() Access can be granted by either a metastore admin, the owner of an object, or the owner of the catalog or schema that contains the object. Initially, users have no access to data in a metastore. ![]() You can set access controls using Data Explorer, SQL statements in notebooks or Databricks SQL queries, using the Unity Catalog REST API, or using Terraform. This article explains how to control access to data and other objects in Unity Catalog.
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