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The real data type

Applies to: ✅ Microsoft FabricAzure Data ExplorerAzure MonitorMicrosoft Sentinel

The real data type represents a 64-bit wide, double-precision, floating-point number.

By default, decimal numbers and numbers represented with scientific notation are of type real.

real literals

To specify a real literal, use one of the following syntax options:

Syntax Description Example
number A real number represented by one or more digits, followed by a decimal point, and then one or more digits. 1.0
numbereexponent A real number represented by scientific notation. 1e5
real(null) Represents the null value.
real(nan) Not-a-number (NaN), such as when dividing a 0.0 by another 0.0.
real(+inf) Positive infinity, such as when dividing 1.0 by 0.0.
real(-inf) Negative infinity, such as when dividing -1.0 by 0.0.

Learn more about syntax conventions.