Created for following data types in T-SQL: BIGINT, INT, SMALLINT, and TINYINT. When you read a table from SQL Server, by default you obtain the following Tabular data types: Mapping between SQL Server and Tabular data types If you are using Power Pivot, please be aware of the correspondence between Fixed Decimal Number and Currency in terms of data type. Power BI now uses “Fixed Decimal Number” to identify the data type, and “Currency” to identify the format string, so this should help avoiding confusion between the two. Especially in Power Pivot, this was very confusing, because the same name (Currency) is used for both the data type and the format string. You should not confuse the data type with the format string. The article will reference to Tabular models as a generic way to indicate a data model created in Power Pivot, Power BI, or Analysis Services Tabular. For this reason, it is useful to learn how the default choice is made when you import a table. Sometimes the data type chosen by the wizard could produce undesired results. When you create a data model you have to carefully consider the data type to use for each column. However, the number of significant digits is limited to 15 decimal digits. Floating point (also known as Decimal number): Numbers that can have decimal places covering a wide range of values: negative values from -1.79E +308 through -2.23E -308 zero and positive values from 2.23E -308 through 1.79E + 308. ![]() Integer (also known as Whole number): Numbers that have no decimal places.When you create a data model in Power Pivot, Power BI, or Analysis Services Tabular, every numeric column can have one of the following three data types:
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