Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind SQL Server ISDATE() 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.
___ ISDATE('2017-08-25');3Order
Put the learning moves in the order that makes the concept easiest to apply.
The ISDATE() function checks an expression and returns 1 if it is a valid date, otherwise 0.
Definition and Usage
SQL Server ISDATE() Function
Example
SELECT ISDATE('2017-08-25');Definition and Usage
The ISDATE() function checks an expression and returns 1 if it is a valid date, otherwise 0.
Syntax
ISDATE(
expression
)Parameter Values
| Parameter | Description |
|---|---|
| expression | Required. The expression to test |
Technical Details
| Return type: | int |
|---|---|
| Works in: | SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse |