Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind SQL Server ISNUMERIC() Function?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
1Quick choice
Which statement best captures the main point of this lesson?
2Fill blank
Complete the missing token from the example code.
___ ISNUMERIC(4567);3Order
Put the learning moves in the order that makes the concept easiest to apply.
The ISNUMERIC() function tests whether an expression is numeric.
Definition and Usage
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
| Parameter | Description |
|---|---|
| expression | Required. The value to test |
Technical Details
| Works in: | SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse |
|---|