Data type errors

 Sometimes, when you import data into Power BI, the columns appear blank. This situation happens because of an error in interpreting the data type in Power BI. The resolution to this error is unique to the data source. For instance, if you're importing data from SQL Server and see blank columns, you could try to convert to the correct data type in the query.

Instead of using this query:

SELECT CustomerPostalCode FROM Sales.Customers

Use this query:

SELECT CAST(CustomerPostalCode as varchar(10)) FROM Sales.Customers

By specifying the correct type at the data source, you eliminate many of these common data source errors.

You may encounter different types of errors in Power BI that are caused by the diverse data source systems where your data resides.



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