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SQL•SQL References

SQL Server ISNUMERIC() Function

Example

SELECT ISNUMERIC(4567);

Definition and Usage

The ISNUMERIC() function tests whether an expression is numeric.

This function returns 1 if the expression is numeric, otherwise it returns 0.

Syntax

ISNUMERIC(
expression
)

Parameter Values

ParameterDescription
expressionRequired. The value to test

Technical Details

Works in:SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse

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SQL Server NULLIF() Function