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Hi, i have a problem with my sql query, I tried everything but until now not the right results. Problem : I have two tables, One that is called Alarms and the other one Logs. From Alarms I want to use the fields Machine, Message en datetime which is in 2020-02-27 19:11:54:123 format. In the table Logs I have the fields Anode and Datetime also in 2020-02-27 19:11:54:123 format. When a alarms occurs I want to use the datetime field to look for the Anode in the other table Logs with the same Datetime value but only on the whole second, I want only one value back. So the ouput would be someting like Machine, Message ,Datetime,Anode I believe I have to use the LEFT JOIN instruction : SELECT Machine,Message,DateTime,Anode FROM Table1.Alarms LEFT JOIN Logs ON table1.DateTime = table2.DateTime; Can Anyone help me with this ? Thanks in advance, Peter