Join across two different event
问题 I'am writing KQL on Server Query,I want join two event datas.My KQL like this: let table1=source |where LogName == "FraudServiceRequest" | project d_name=LogName,PreciseTimeStamp,ConnectionID,End=substring(TimeStamp,13,20); let table2=source | where LogName == "ProxyReceivedRequest" | project ConnectionID,Start=substring(TimeStamp,13,20); table1 | join (table2) on $left.ConnectionID == $right.ConnectionID |project ConnectionID,m_Ans=(toreal(End)-toreal(Start))/1000.0 But there no one record