Resource quotas for Unity Catalog

Unity Catalog enforces resource quotas on all securable objects. Limits respect the same hierarchical organization throughout Unity Catalog. If you expect to exceed these resource limits, contact your Databricks account representative.

Unity Catalog quota quick reference

Quota values below are expressed relative to the parent object in the Unity Catalog.

Object

Parent

Value

table

schema (database)

10000

schema

catalog

10000

catalog

metastore

1000

storage credentials

metastore

200

external locations

metastore

500

functions

schema

10000

Delta Sharing quotas

The values below indicate the quotas for Delta Sharing managed by Unity Catalog.

Object

Parent

Value

provider

metastore

1000

recipients

metastore

5000

shares

metastore

1000

tables

share

1000