min() (aggregation function)
Applies to: ✅ Microsoft Fabric ✅ Azure Data Explorer ✅ Azure Monitor ✅ Microsoft Sentinel
Finds the minimum value across the group.
Note
This function is used in conjunction with the summarize operator.
Syntax
min (expr)
Learn more about syntax conventions.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| expr | string |
✔️ | The expression used for the minimum value aggregation calculation. |
Returns
Returns the minimum value of expr across the group.
Tip
This gives you the min on its own. If you want to see other columns in addition to the min, use arg_min.
Example
This example returns the first record in a table.
StormEvents
| summarize FirstEvent=min(StartTime)
Output
| FirstEvent |
|---|
| 2007-01-01T00:00:00Z |