CATALOG_TAGS

Applies to: check marked yes Databricks SQL check marked yes Databricks Runtime 13.3 LTS and above check marked yes Unity Catalog only.

INFORMATION_SCHEMA.CATALOG_TAGS contains all the tags that have been applied to all the catalogs within the metastore.

Information is displayed only for catalogs the user has permission to interact with.

This relation is an extension to the SQL Standard Information Schema.

Definition

The CATALOG_TAGS relation contains the following.

Name

Data type

Nullable

Description

CATALOG_NAME

STRING

No

The catalog name that a given tag applies to.

TAG_NAME

STRING

No

The name of the tag.

TAG_VALUE

STRING

No

The value of the tag.

Constraints

The following constraint applies to the CATALOG_TAGS relation:

Class

Name

Column List

Description

Primary key

CATALOG_TAGS_PK

CATALOG_NAME, TAG_NAME, TAG_VALUE

Unique identifier for a catalog tag.

Foreign key

CATTAGS_CATS_FK

CATALOG_NAME

References CATALOGS

Example 

> SELECT catalog_name, tag_name, tag_value
    FROM information_schema.catalog_tags;