Mirrored Azure Databricks Unity Catalog definition

2025-10-08

This article provides a breakdown of the definition structure for mirrored Azure Databricks Unity Catalog items.

Definition parts

This table lists the definition parts.

Definition part path	type	Required	Description
`definition.json`	ContentDetails	true	Describes the mirroring settings of the item
`.platform`	PlatformDetails (JSON)	false	Describes common details of the item

ContentDetails

Describes the content of the payload.

Name	Type	Required	Description
$schema	String	true	URL for schema specification.
catalogName	String	true	Azure databricks catalog name.
databricksWorkspaceConnectionId	Guid	true	The Azure databricks workspace connection ID.
autoSync	AutoSync	false	Describes the sync mode. The allowed values are: `Enabled` and `Disabled`.
mirroringMode	MirroringMode	true	Describes the mirroring mode with possible values: `Full` and `Partial`.
storageConnectionId	Guid	false	The ADLS Gen2 storage connection ID.
mirrorConfiguration	MirrorConfiguration		Replicate metadata from the source system. For example, use this setting to mirror a specific schema or a specific table.

AutoSync

Name	Description
Enabled	Automatic synchronization is enabled.
Disabled	Automatic synchronization is disabled.

MirroringMode

Name	Description
Full	Replicates all objects within a catalog except explicitly excluded schemas and tables. Defaults to full synchronization if no exclusions are set.
Partial	Only selected schemas and tables are mirrored. Nothing is synced by default.

Description for MirrorConfiguration contents

Name	Type	Description
schemas	Schema[]	A list of schemas to be mirrored, each containing specific configurations.

Description for Schema contents

Name	Type	Required	Description
name	String	true	The name of the schema, relative to the parent catalog.
mirroringMode	SchemaMirroringMode	true	Describes the mirroring mode. Allowed values are: `Full`, `Exclude` and `Partial`.
tables	Table[]	false	List of tables within the schema to be mirrored.

SchemaMirroringMode

Name	Description
Full	Mirror everything inside a schema except specifically excluded tables. Everything is synced by default if no exclusion is provided.
Partial	Only selected tables are mirrored.
Exclude	Excludes selected schemas from mirroring. This option is available only when the catalog's mirroring mode is set to `Full`.

Description for Table contents

Name	Type	Required	Description
name	String	true	The name of the table, relative to the parent schema.
mirroringMode	TableMirroringMode	true	Describes the mirroring mode. Allowed values are: `Full` and `Exclude`.

TableMirroringMode

Name	Description
Full	Mirror entire table.
Exclude	Excludes selected tables from mirroring. This option is available only when the schema's mirroring mode is set to `Full`.

ContentDetails example 1

Example of partial catalog mirroring, where specific schemas within a catalog are mirrored.

{
    "$schema": "https://developer.microsoft.com/json-schemas/fabric/item/mirroredAzureDatabricksCatalog/definition/mirroredAzureDatabricksCatalogDefinition/1.0.0/schema.json",
    "catalogName": "catalogName",
    "databricksWorkspaceConnectionId": "4eb6b767-e786-45ed-b7cf-d25023e52222",
    "autoSync": "Enabled",
    "mirroringMode": "Partial",
    "mirrorConfiguration": {
      "schemas": [
        {
          "name": "schema_3",
          "mirroringMode": "Full"
        },
        {
          "name": "schema_2",
          "mirroringMode": "Full"
        }
      ]
    }
}

ContentDetails example 2

Example of partial catalog mirroring, fully mirroring specific schemas while excluding certain tables within them.

{
    "$schema": "https://developer.microsoft.com/json-schemas/fabric/item/mirroredAzureDatabricksCatalog/definition/mirroredAzureDatabricksCatalogDefinition/1.0.0/schema.json",
    "catalogName": "catalogName",
    "databricksWorkspaceConnectionId": "4eb6b767-e786-45ed-b7cf-d25023e52222",
    "autoSync": "Enabled",
    "mirroringMode": "Partial",
    "mirrorConfiguration": {
      "schemas": [
        {
          "name": "schema_3",
          "mirroringMode": "Full",
          "tables": [
            {
              "name": "table_1",
              "mirroringMode": "Exclude"
            }
          ]
        },
        {
          "name": "schema_2",
          "mirroringMode": "Full",
          "tables": [
            {
              "name": "table_2",
              "mirroringMode": "Exclude"
            }
          ]
        }
      ]
    }
}

ContentDetails example 3

Example of partial catalog mirroring, where specific tables within a selected schema are mirrored.

{
    "$schema": "https://developer.microsoft.com/json-schemas/fabric/item/mirroredAzureDatabricksCatalog/definition/mirroredAzureDatabricksCatalogDefinition/1.0.0/schema.json",
    "catalogName": "catalogName",
    "databricksWorkspaceConnectionId": "4eb6b767-e786-45ed-b7cf-d25023e52222",
    "autoSync": "Disabled",
    "mirroringMode": "Partial",
    "mirrorConfiguration": {
      "schemas": [
        {
          "name": "schema_3",
          "mirroringMode": "Partial",
          "tables": [
            {
              "name": "table_1",
              "mirroringMode": "Full"
            }
          ]
        },
        {
          "name": "schema_2",
          "mirroringMode": "Partial",
          "tables": [
            {
              "name": "table_2",
              "mirroringMode": "Full"
            }
          ]
        }
      ]
    }
}

ContentDetails example 4

Example of full mirroring, where the entire catalog is mirrored.

{
	"$schema": "https://developer.microsoft.com/json-schemas/fabric/item/mirroredAzureDatabricksCatalog/definition/mirroredAzureDatabricksCatalogDefinition/1.0.0/schema.json",
    "catalogName": "catalogName",
    "databricksWorkspaceConnectionId": "5eb6b767-e786-45ed-b7ef-d25023e52211",
    "autoSync": "Enabled",
    "mirroringMode": "Full"
}

ContentDetails example 5

Example of full catalog mirroring, with specific schemas excluded from the catalog.


{
	"$schema": "https://developer.microsoft.com/json-schemas/fabric/item/mirroredAzureDatabricksCatalog/definition/mirroredAzureDatabricksCatalogDefinition/1.0.0/schema.json",
    "CatalogName": "catalogName",
    "databricksWorkspaceConnectionId": "5eb6b767-e786-45ed-b7ef-d25023e52211",
    "autoSync": "Disabled",
    "mirroringMode": "Full",
    "mirrorConfiguration": {
      "schemas": [
        {
          "name": "schema_3",
          "mirroringMode": "Exclude"
        },
        {
          "name": "schema_2",
          "mirroringMode": "Exclude"
        }
      ]
    }
}

ContentDetails example 6

Example of partial catalog mirroring, where specific tables within a selected schema are mirrored, while tables from other schemas are excluded.

{
	"$schema": "https://developer.microsoft.com/json-schemas/fabric/item/mirroredAzureDatabricksCatalog/definition/mirroredAzureDatabricksCatalogDefinition/1.0.0/schema.json",
    "catalogName": "catalogName",
    "databricksWorkspaceConnectionId": "4eb6b767-e786-45ed-b7cf-d25023e52222",
    "autoSync": "Disabled",
    "mirroringMode": "Partial",
    "mirrorConfiguration": {
      "schemas": [
        {
          "name": "schema_3",
          "mirroringMode": "Partial",
          "tables": [
            {
              "name": "table_1",
              "mirroringMode": "Full"
            }
          ]
        },
        {
          "name": "schema_2",
          "mirroringMode": "Full",
          "tables": [
            {
              "name": "table_2",
              "mirroringMode": "Exclude"
            }
          ]
        }
      ]
    }
}

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