use SUM in sql statement : SQL Select « Access « VBA / Excel / Access / Word

use SUM in sql statement

 

Private Sub RunningSumSQL()
    Dim db As Database
    Set db = CurrentDb
    Dim qry As QueryDef
    Dim sSQL As String
    
    On Error Resume Next
    db.QueryDefs.Delete "temp"
    On Error GoTo 0
    
    sSQL = "SELECT R1.Event,(SELECT SUM(R2.Duration) FROM Running As R2 WHERE R2.Event < R1.Event) AS StartTime FROM Running As R1"
    Set qry = db.CreateQueryDef("temp", sSQL)
    DoCmd.OpenQuery qry.Name
End Sub

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