<transcript><audio_54>at again the root node so this is the projection and the projection is going to ask okay for every uh tuple t produced from my child node we need to call next so we're going to come down here call next uh on on the join operator the joint</transcript><transcript><audio_55>operators can say okay well what i need to do is i need to call for every tuple in in the left side we're going to call that next function uh and then as soon as we get one tuple then the</transcript> at again the root node so this is the projection and the projection is going to ask okay for every uh tuple t produced from my child node we need to call next so we're going to come down here call next uh on on the join operator the joint operators can say okay well what i need to do is i need to call for every tuple in in the left side we're going to call that next function uh and then as soon as we get one tuple then the
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