Import VS direct mode in Power BI
| Capability | Import | DirectQuery |
| Size | Size limitation Up to 1 GB per dataset | No limitation |
| Data Source | Combining Data from different sources | Cannot combine data from multiple sources |
| Performance | High-performance query engine | Depends on the data source response for each query |
| Data Change in the underlying data | Not Reflected. Required to do a Manual refresh in Power BI Desktop and republish the report or Schedule Refresh | Power BI caches the data for better performance. So, it is necessary to Refresh to ensure the latest data |
| Schedule Refresh | Maximum 8 schedules per day | Schedule often as every 15 mins |
| Power BI Gateway | Only required to get latest data from On-premise data sources | Must require to get data from On-premise data sources |
| Data Transformations | Supports all transformations | Supports many data transformations with some limitations |
| Data Modelling | No limitation | Some limitations |
| Built-in Date Hierarchy | Available | Not available |
| DAX expressions | Supports all DAX functions | Restricted to use complex DAX functions such as Time Intelligence functions. |
| Clustering | Available | Not available |
| Calculated Tables | Available | Not supported |
| Quick Insights | Available | Not available |
| Q&A | Available | Not available |
| Change Data Connectivity mode | Not possible to change Import to DirectQuery | Possible to change DirectQuery to Import |
Really good information to show through this blog. I really appreciate you for all the valuable information that you are providing us through your blog.
ReplyDeleteThank you for your valuable feedback
Delete