This initial partition contains only those rows of data that meet your filter criteria. You configure the initial partition in Power BI Desktop when you define the date/time range filter for your table based on the RangeStart and RangeEnd parameters, and any other filters applied in Power Query Editor. For tables with an incremental refresh policy, that one initial partition only exists because Power BI hasn't yet applied the policy. For tables with no incremental refresh policy, that one partition contains all rows of data for that table, unless filters have been applied. When you first publish a model to the Power BI service, each table in the new dataset has one partition. For datasets in a workspace assigned to a Premium capacity, partitions can be managed through the XMLA endpoint by using tools like SQL Server Management Studio (SSMS), the open-source Tabular Editor, scripted with Tabular Model Scripting Language (TMSL), and programmatically with the Tabular Object Model (TOM).
Partitionsĭataset table partitions aren't visible and can't be managed by using Power BI Desktop or the Power BI service. In addition, refresh operations through the XMLA endpoint aren't limited to 48 refreshes per day, and the scheduled refresh time limit isn't imposed. Datasets in a Premium capacity with the XMLA endpoint enabled for read/write operations allow more advanced dataset refresh, partition management, and metadata only deployments through tool, scripting, and API support.
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