1. A method in a data preparation program for transferring data in a data processing system, the method comprising: responsive to receiving user input, identifying data from a relational database and creating a temporary data set; reading data from a relational database table in the relational database into the temporary data set created in response to the user input; preparing the data read from the relational database table into the temporary data set to form prepared data for analysis; creating a database table for the relational database; and placing the prepared data into the database table, wherein the prepared data is ready for analysis.