UPDATE TABELLA SET CAMPO=(SELECT CAMPO FROM TABELLA2 WHERE TABELLA2.ID=TABELLA.ID)
Prova così
update clean.Execution set MWinExecution =(select MW from Table1
where clean.Execution.id=table1.id)
UPDATE TABELLA SET CAMPO=(SELECT CAMPO FROM TABELLA2 WHERE TABELLA2.ID=TABELLA.ID)
Prova così
update clean.Execution set MWinExecution =(select MW from Table1
where clean.Execution.id=table1.id)