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.show materialized-view(s)

Applies to: ✅ Microsoft FabricAzure Data Explorer

Displays definition and current state for one or all materialized views.

Permissions

You must have at least Database User, Database Viewer, or Database Monitor permissions to run this command. For more information, see role-based access control.

Syntax

.show materialized-view MaterializedViewNameg

.show materialized-views

Learn more about syntax conventions.

Parameters

Name Type Required Description
MaterializedViewName string ✔️ Name of the materialized view.

Returns

Output schema:

Name Type Description
Name string Name of the materialized view.
SourceTable string Name of source table on which the view is defined.
Query string Query definition of the materialized view.
MaterializedTo datetime Maximum materialized ingestion_time() timestamp in source table. For more information, see how materialized views work.
LastRun datetime Last time materialization was run.
LastRunResult string Result of last run. Returns Completed for successful runs, otherwise Failed.
IsHealthy bool true when view is considered healthy, false otherwise. View is considered healthy if it was successfully materialized up to the last hour (MaterializedTo is greater than ago(1h)).
IsEnabled bool true when view is enabled (see Disable or enable materialized view).
Folder string Folder under which the materialized view is created.
DocString string Description assigned to the materialized view.
AutoUpdateSchema bool Whether the view is enabled for auto updates.
EffectiveDateTime datetime Effective date time of the view, determined during creation time (see .create materialized-view).
Lookback timespan Time span limiting the period of time in which duplicates are expected.

Examples

Show details about one materialized view

The following command shows details for materialized view ViewName:

.show materialized-view ViewName

Output

Name SourceTable Query MaterializedTo LastRun LastRunResult IsHealthy IsEnabled Folder DocString AutoUpdateSchema EffectiveDateTime Lookback
ViewName MyTable MyTable | summarize arg_max(Column3, *) by Column1 2023-02-26T16:40:03.3345704Z 2023-02-26T16:44:15.9033667Z Completed true true true 2023-02-23T14:01:42.5172342Z

Show details about all materialized view

The following command shows details for all materialized views:

.show materialized-views

Output

Name SourceTable Query MaterializedTo LastRun LastRunResult IsHealthy IsEnabled Folder DocString AutoUpdateSchema EffectiveDateTime Lookback
ViewName MyTable MyTable | summarize arg_max(Column3, *) by Column1 2023-02-26T16:40:03.3345704Z 2023-02-26T16:44:15.9033667Z Completed true true true 2023-02-23T14:01:42.5172342Z
ArgMax T T | summarize arg_max(Timestamp, *) by User 2023-02-26T16:40:03.3345704Z 2023-02-26T16:44:15.9033667Z Completed true true false 2023-02-23T14:01:42.5172342Z