What is this join?? Please help!
Sorry if this is the wrong sub, wasn't sure where to post. I can't figure out what kind of join this is - left/inner gives me too few, full gives me too many. Please help! I am using pyspark and joining on id
Sorry if this is the wrong sub, wasn't sure where to post. I can't figure out what kind of join this is - left/inner gives me too few, full gives me too many. Please help! I am using pyspark and joining on id