what is the difference between a user dataset and a user dataset? what is the difference between the first and second dataset what is the difference between a third and third dataset what is the identifier of a dataset what is the difference between two data sets what is the difference between first and second datasets which dataset has the same set of records id and department id what are the dataset characteristics what is the dataset why distinguish between two datasets which type of data set can be compared with a second dataset? a what distinguishes a dataset from the other data set why are there a few datasets? what is the relationship between the first and second dataset what makes a dataset different from the first different identifiers and attributes why two datasets have the same structure how to differentiate between two data sets which type of data set is a collection of records related to different users randomly selected? how to determine whether two datasets are related