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SQL•SQL References

MySQL IF() Function

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MySQL IF() Function

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Example

Return "YES" if the condition is TRUE, or "NO" if the condition is FALSE:

Select

IF(500<1000, "YES", "NO");

Definition and Usage

The IF() function returns a value if a condition is TRUE, or another value if a condition is FALSE.

Syntax

If(

condition, value_if_true, value_if_false )

Parameter Values

Parameter

Description condition

Required. The value to test value_if_true

Required. The value to return if condition is TRUE

value_if_false

Required. The value to return if condition is FALSE

Technical Details

Works in:

From MySQL 4.0

More Examples

Example

Return 5 if the condition is TRUE, or 10 if the condition is FALSE:

SELECT IF(500<1000, 5, 10);

Example

Test whether two strings are the same and return "YES" if they are, or "NO" if not:

SELECT IF(STRCMP("hello","bye") = 0, "YES", "NO");

Example

Return "MORE" if the condition is TRUE, or "LESS" if the condition is FALSE:

SELECT OrderID, Quantity, IF(Quantity>10, "MORE", "LESS")

From

OrderDetails;

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MySQL DATABASE() Function

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MySQL IFNULL() Function