tolower()

Switch services using the Version drop-down list. Learn more about navigation.
Applies to: ✅ Microsoft Fabric ✅ Azure Data Explorer ✅ Azure Monitor ✅ Microsoft Sentinel

Converts the input string to lower case.

Syntax

tolower(value)

Learn more about syntax conventions.

Parameters

Returns

If conversion is successful, result is a lowercase string. If conversion isn't successful, result is null.

Example

The following example checks whether the tolower() function converted the capitalized input string to lowercase.

tolower("Hello") == "hello"

Related content

• Scalar function types at a glance
• tostring()
• toupper()