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[Music] merge now merge in sql is exactly that youre trying to merge or blend two data sets so now youll typically have a target table right and here we have an example well use id and some amount could be anything it could be sales could be quantity anything right and then well well draw our source data here now the goal here is to update our target table based on our source data now source data can be a table or it can be a query okay it doesnt have to be a physical table now with merge what you do is youre joining these data sets or matching these data sets on certain values right so in this case we will match again dont think of it like an inner join or where youre dropping records or anything like that no think of it more as matching so in this case we would match based on our id okay and under certain conditions we can make updates to the target table alright so lets take a look at these data sets and lets lets look at some examples here so now looking at these first
