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How is data collected in a management data warehouse?
The management data warehouse is a relational database that contains the data that is collected from a server that is a data collection target. This data is used to generate the reports for the System Data collection sets, and can also be used to create custom reports.
How to configure SQL Server management data warehouse?
Right-click Data Collection, and then click Properties. On the General tab, specify the existing management data warehouse and the server that it is installed on. Repeat step 5 until all the database instances that use the data collector are configured to upload data to the shared management data warehouse.
How to view a collection set report ( SSMS )?
To view the report, in Object Explorer, expand the Management folder, right-click Data Collection, point to Reports, point to Management Data Warehouse, and then click Disk Usage Summary. Some reports might display a calendar button under the data collection timeline.
Where to find data collection history in SQL Server?
You can access the Server Activity History report from Object Explorer. To view the report, expand the Management folder, right-click Data Collection, point to Reports, point to Management Data Warehouse, and then click Server Activity History. For more information, see View a Collection Set Report (SQL Server Management Studio).
What is a management data warehouse in SQL Server?
The management data warehouse in SQL Server is a relational database that contains the data that is collected from a target server.
Where are null values located in a data warehouse?
However, unlike a transactional system, a data warehouse has more complex situations. For instance, in scenario one, a null value attribute could reside in a dimension table. This could occur because certain attributes may not be applied to all the dimension records.
Why are there unknown values in data warehouse?
It’s very common to have unknown values in a data warehouse solution and there are a number of reasons for them. Sometimes developers take action to fix or hide these unknowns, but sometimes developers decide it’s okay to just leave them alone;it all depends if the developer understands where this null value came from.