Daily DAX : Day 49 INFO.DELTATABLEMETADATASTORAGES
This is a meta data information function that returns a table containing information about the Delta tables that are being used in a Power BI model and allows troubleshooting.
The function returns a table with the following columns:
ID: A unique identifier for the delta table storage.
PartitionStorageID: The ID of the partition storage associated with the delta table.
TableName: The name of the delta table.
RootLocation: The root location of the delta table storage.
CurrentVersion: The current version of the delta table storage format.
TableObjectID: The object ID of the delta table.
DatamartObjectID: The object ID of the datamart associated with the delta table.
FramedSchemaName: The framed schema name of the delta table.
FallbackReason: A code indicating the reason for falling back to a different storage format.
Typical Usage:
Understanding Delta Table Storage:
You can use this function to get a detailed overview of how delta tables are stored in your Power BI model.
This information can be helpful for troubleshooting performance issues or optimizing storage usage.
Monitoring Delta Table Changes:
By querying this function periodically, you can track changes in delta table storage locations and versions.
This can be useful for monitoring the impact of model updates or data refreshes.
Identifying Potential Issues:
If you encounter issues with delta table performance or storage, you can use this function to identify potential problems.
For example, you might look for delta tables with large sizes, high fragmentation, or slow query performance.
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